diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 10:39:53 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-12 10:39:53 -0700 |
| commit | a667cb7a94d48a483fb5d6006fe04a440f1a42ce (patch) | |
| tree | ccb9e596db96d53fcc4ba13a3370ec84912d0f22 /arch | |
| parent | cb1d150d809e2409725ba275c5101c4fc4465b8e (diff) | |
| parent | 586187d7de71b4da7956ba588ae42253b9ff6482 (diff) | |
| download | linux-a667cb7a94d48a483fb5d6006fe04a440f1a42ce.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
- a few misc things
- the rest of MM
- remove flex_arrays, replace with new simple radix-tree implementation
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (38 commits)
Drop flex_arrays
sctp: convert to genradix
proc: commit to genradix
generic radix trees
selinux: convert to kvmalloc
md: convert to kvmalloc
openvswitch: convert to kvmalloc
of: fix kmemleak crash caused by imbalance in early memory reservation
mm: memblock: update comments and kernel-doc
memblock: split checks whether a region should be skipped to a helper function
memblock: remove memblock_{set,clear}_region_flags
memblock: drop memblock_alloc_*_nopanic() variants
memblock: memblock_alloc_try_nid: don't panic
treewide: add checks for the return value of memblock_alloc*()
swiotlb: add checks for the return value of memblock_alloc*()
init/main: add checks for the return value of memblock_alloc*()
mm/percpu: add checks for the return value of memblock_alloc*()
sparc: add checks for the return value of memblock_alloc*()
ia64: add checks for the return value of memblock_alloc*()
arch: don't memset(0) memory returned by memblock_alloc()
...
Diffstat (limited to 'arch')
98 files changed, 586 insertions, 102 deletions
diff --git a/arch/alpha/kernel/core_cia.c b/arch/alpha/kernel/core_cia.c index 867e8730b0c5..f489170201c3 100644 --- a/arch/alpha/kernel/core_cia.c +++ b/arch/alpha/kernel/core_cia.c @@ -331,7 +331,10 @@ cia_prepare_tbia_workaround(int window) long i; /* Use minimal 1K map. */ - ppte = memblock_alloc_from(CIA_BROKEN_TBIA_SIZE, 32768, 0); + ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768); + if (!ppte) + panic("%s: Failed to allocate %u bytes align=0x%x\n", + __func__, CIA_BROKEN_TBIA_SIZE, 32768); pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1; for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i) diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c index c1d0c18c71ca..1db9d0eb2922 100644 --- a/arch/alpha/kernel/core_marvel.c +++ b/arch/alpha/kernel/core_marvel.c @@ -83,6 +83,9 @@ mk_resource_name(int pe, int port, char *str) sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port); name = memblock_alloc(strlen(tmp) + 1, SMP_CACHE_BYTES); + if (!name) + panic("%s: Failed to allocate %zu bytes\n", __func__, + strlen(tmp) + 1); strcpy(name, tmp); return name; @@ -118,6 +121,9 @@ alloc_io7(unsigned int pe) } io7 = memblock_alloc(sizeof(*io7), SMP_CACHE_BYTES); + if (!io7) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*io7)); io7->pe = pe; raw_spin_lock_init(&io7->irq_lock); diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index 091cff3c68fd..ae82061edae9 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -34,6 +34,9 @@ alloc_pci_controller(void) struct pci_controller *hose; hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); + if (!hose) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*hose)); *hose_tail = hose; hose_tail = &hose->next; @@ -44,7 +47,13 @@ alloc_pci_controller(void) struct resource * __init alloc_resource(void) { - return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + + if (!ptr) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct resource)); + + return ptr; } SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, @@ -54,7 +63,7 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, /* from hose or from bus.devfn */ if (which & IOBASE_FROM_HOSE) { - for (hose = hose_head; hose; hose = hose->next) + for (hose = hose_head; hose; hose = hose->next) if (hose->index == bus) break; if (!hose) diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index 97098127df83..64fbfb0763b2 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -393,6 +393,9 @@ alloc_pci_controller(void) struct pci_controller *hose; hose = memblock_alloc(sizeof(*hose), SMP_CACHE_BYTES); + if (!hose) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*hose)); *hose_tail = hose; hose_tail = &hose->next; @@ -403,7 +406,13 @@ alloc_pci_controller(void) struct resource * __init alloc_resource(void) { - return memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + void *ptr = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + + if (!ptr) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct resource)); + + return ptr; } diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index aa0f50d0f823..3034d6d936d2 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -80,6 +80,9 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, " falling back to system-wide allocation\n", __func__, nid); arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); + if (!arena) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*arena)); } arena->ptes = memblock_alloc_node(sizeof(*arena), align, nid); @@ -87,13 +90,22 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, printk("%s: couldn't allocate arena ptes from node %d\n" " falling back to system-wide allocation\n", __func__, nid); - arena->ptes = memblock_alloc_from(mem_size, align, 0); + arena->ptes = memblock_alloc(mem_size, align); + if (!arena->ptes) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, mem_size, align); } #else /* CONFIG_DISCONTIGMEM */ arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); - arena->ptes = memblock_alloc_from(mem_size, align, 0); + if (!arena) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*arena)); + arena->ptes = memblock_alloc(mem_size, align); + if (!arena->ptes) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, mem_size, align); #endif /* CONFIG_DISCONTIGMEM */ diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c index 4b5b1b244f86..5d4c76a77a9f 100644 --- a/arch/alpha/kernel/setup.c +++ b/arch/alpha/kernel/setup.c @@ -293,7 +293,7 @@ move_initrd(unsigned long mem_limit) unsigned long size; size = initrd_end - initrd_start; - start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0); + start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE); if (!start || __pa(start) + size > mem_limit) { initrd_start = initrd_end = 0; return NULL; diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c index d34f69eb1a95..271e9fafa479 100644 --- a/arch/arc/kernel/unwind.c +++ b/arch/arc/kernel/unwind.c @@ -181,8 +181,7 @@ static void init_unwind_hdr(struct unwind_table *table, */ static void *__init unw_hdr_alloc_early(unsigned long sz) { - return memblock_alloc_from_nopanic(sz, sizeof(unsigned int), - MAX_DMA_ADDRESS); + return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS); } static void *unw_hdr_alloc(unsigned long sz) diff --git a/arch/arc/mm/highmem.c b/arch/arc/mm/highmem.c index 48e700151810..11f57e2ced8a 100644 --- a/arch/arc/mm/highmem.c +++ b/arch/arc/mm/highmem.c @@ -124,6 +124,10 @@ static noinline pte_t * __init alloc_kmap_pgtable(unsigned long kvaddr) pmd_k = pmd_offset(pud_k, kvaddr); pte_k = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte_k) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + pmd_populate_kernel(&init_mm, pmd_k, pte_k); return pte_k; } diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 375b13f7e780..5d78b6ac0429 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -867,6 +867,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) boot_alias_start = phys_to_idmap(start); if (arm_has_idmap_alias() && boot_alias_start != IDMAP_INVALID_ADDR) { res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", + __func__, sizeof(*res)); res->name = "System RAM (boot alias)"; res->start = boot_alias_start; res->end = phys_to_idmap(end); @@ -875,6 +878,9 @@ static void __init request_standard_resources(const struct machine_desc *mdesc) } res = memblock_alloc(sizeof(*res), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*res)); res->name = "System RAM"; res->start = start; res->end = end; diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 478ea8b7db87..15dddfe43319 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -205,7 +205,11 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) BUG_ON(!arm_memblock_steal_permitted); - phys = memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, align); + if (!phys) + panic("Failed to steal %pa bytes at %pS\n", + &size, (void *)_RET_IP_); + memblock_free(phys, size); memblock_remove(phys, size); diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 57de0dde3ae0..f3ce34113f89 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -721,7 +721,13 @@ EXPORT_SYMBOL(phys_mem_access_prot); static void __init *early_alloc(unsigned long sz) { - return memblock_alloc(sz, sz); + void *ptr = memblock_alloc(sz, sz); + + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, sz, sz); + + return ptr; } static void *__init late_alloc(unsigned long sz) @@ -994,6 +1000,9 @@ void __init iotable_init(struct map_desc *io_desc, int nr) return; svm = memblock_alloc(sizeof(*svm) * nr, __alignof__(*svm)); + if (!svm) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, sizeof(*svm) * nr, __alignof__(*svm)); for (md = io_desc; nr; md++, nr--) { create_mapping(md); @@ -1016,6 +1025,9 @@ void __init vm_reserve_area_early(unsigned long addr, unsigned long size, struct static_vm *svm; svm = memblock_alloc(sizeof(*svm), __alignof__(*svm)); + if (!svm) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, sizeof(*svm), __alignof__(*svm)); vm = &svm->vm; vm->addr = (void *)addr; diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 834b321a88f8..f8482fe5a190 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -208,6 +208,7 @@ static void __init request_standard_resources(void) struct memblock_region *region; struct resource *res; unsigned long i = 0; + size_t res_size; kernel_code.start = __pa_symbol(_text); kernel_code.end = __pa_symbol(__init_begin - 1); @@ -215,9 +216,10 @@ static void __init request_standard_resources(void) kernel_data.end = __pa_symbol(_end - 1); num_standard_resources = memblock.memory.cnt; - standard_resources = memblock_alloc_low(num_standard_resources * - sizeof(*standard_resources), - SMP_CACHE_BYTES); + res_size = num_standard_resources * sizeof(*standard_resources); + standard_resources = memblock_alloc_low(res_size, SMP_CACHE_BYTES); + if (!standard_resources) + panic("%s: Failed to allocate %zu bytes\n", __func__, res_size); for_each_memblock(memory, region) { res = &standard_resources[i++]; diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index f37a86d2a69d..296de39ddee5 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -40,6 +40,11 @@ static phys_addr_t __init kasan_alloc_zeroed_page(int node) void *p = memblock_alloc_try_nid(PAGE_SIZE, PAGE_SIZE, __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_KASAN, node); + if (!p) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n", + __func__, PAGE_SIZE, PAGE_SIZE, node, + __pa(MAX_DMA_ADDRESS)); + return __pa(p); } @@ -48,6 +53,11 @@ static phys_addr_t __init kasan_alloc_raw_page(int node) void *p = memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE, __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_KASAN, node); + if (!p) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%llx\n", + __func__, PAGE_SIZE, PAGE_SIZE, node, + __pa(MAX_DMA_ADDRESS)); + return __pa(p); } diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 402b6495ff58..e97f018ff740 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -103,6 +103,8 @@ static phys_addr_t __init early_pgtable_alloc(void) void *ptr; phys = memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE); + if (!phys) + panic("Failed to allocate page table page\n"); /* * The FIX_{PGD,PUD,PMD} slots may be in active use, but the FIX_PTE diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c index 7a0a555b366a..06a6f264f2dd 100644 --- a/arch/arm64/mm/numa.c +++ b/arch/arm64/mm/numa.c @@ -237,6 +237,10 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn) pr_info("Initmem setup node %d [<memory-less node>]\n", nid); nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); + if (!nd_pa) + panic("Cannot allocate %zu bytes for node %d data\n", + nd_size, nid); + nd = __va(nd_pa); /* report and initialize */ diff --git a/arch/c6x/mm/dma-coherent.c b/arch/c6x/mm/dma-coherent.c index 0be289839ce0..0d3701bc88f6 100644 --- a/arch/c6x/mm/dma-coherent.c +++ b/arch/c6x/mm/dma-coherent.c @@ -138,6 +138,10 @@ void __init coherent_mem_init(phys_addr_t start, u32 size) dma_bitmap = memblock_alloc(BITS_TO_LONGS(dma_pages) * sizeof(long), sizeof(long)); + if (!dma_bitmap) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, BITS_TO_LONGS(dma_pages) * sizeof(long), + sizeof(long)); } static void c6x_dma_sync(struct device *dev, phys_addr_t paddr, size_t size, diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c index af5ada0520be..fe582c3a1794 100644 --- a/arch/c6x/mm/init.c +++ b/arch/c6x/mm/init.c @@ -40,7 +40,9 @@ void __init paging_init(void) empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE, PAGE_SIZE); - memset((void *)empty_zero_page, 0, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up user data space diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c index 53b1bfa4c462..3317b774f6dc 100644 --- a/arch/csky/mm/highmem.c +++ b/arch/csky/mm/highmem.c @@ -141,6 +141,11 @@ static void __init fixrange_init(unsigned long start, unsigned long end, for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) { if (pmd_none(*pmd)) { pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, + PAGE_SIZE); + set_pmd(pmd, __pmd(__pa(pte))); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index 6519252ac4db..0f04a5e9aa4f 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -68,7 +68,9 @@ void __init paging_init(void) * to a couple of allocated pages. */ empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE); - memset((void *)empty_zero_page, 0, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers (user data space). diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c index 91bd1e129379..5cabb3fd159f 100644 --- a/arch/ia64/kernel/mca.c +++ b/arch/ia64/kernel/mca.c @@ -359,11 +359,6 @@ typedef struct ia64_state_log_s static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES]; -#define IA64_LOG_ALLOCATE(it, size) \ - {ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)] = \ - (ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES); \ - ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)] = \ - (ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES);} #define IA64_LOG_LOCK_INIT(it) spin_lock_init(&ia64_state_log[it].isl_lock) #define IA64_LOG_LOCK(it) spin_lock_irqsave(&ia64_state_log[it].isl_lock, s) #define IA64_LOG_UNLOCK(it) spin_unlock_irqrestore(&ia64_state_log[it].isl_lock,s) @@ -378,6 +373,19 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES]; #define IA64_LOG_CURR_BUFFER(it) (void *)((ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)])) #define IA64_LOG_COUNT(it) ia64_state_log[it].isl_count +static inline void ia64_log_allocate(int it, u64 size) +{ + ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)] = + (ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES); + if (!ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)]) + panic("%s: Failed to allocate %llu bytes\n", __func__, size); + + ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)] = + (ia64_err_rec_t *)memblock_alloc(size, SMP_CACHE_BYTES); + if (!ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)]) + panic("%s: Failed to allocate %llu bytes\n", __func__, size); +} + /* * ia64_log_init * Reset the OS ia64 log buffer @@ -399,9 +407,7 @@ ia64_log_init(int sal_info_type) return; // set up OS data structures to hold error info - IA64_LOG_ALLOCATE(sal_info_type, max_size); - memset(IA64_LOG_CURR_BUFFER(sal_info_type), 0, max_size); - memset(IA64_LOG_NEXT_BUFFER(sal_info_type), 0, max_size); + ia64_log_allocate(sal_info_type, max_size); } /* @@ -1835,8 +1841,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset, /* Caller prevents this from being called after init */ static void * __ref mca_bootmem(void) { - return memblock_alloc_from(sizeof(struct ia64_mca_cpu), - KERNEL_STACK_SIZE, 0); + return memblock_alloc(sizeof(struct ia64_mca_cpu), KERNEL_STACK_SIZE); } /* Do per-CPU MCA-related initialization. */ diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 6e447234205c..d29fb6b9fa33 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -84,9 +84,13 @@ skip: static inline void alloc_per_cpu_data(void) { - cpu_data = memblock_alloc_from(PERCPU_PAGE_SIZE * num_possible_cpus(), - PERCPU_PAGE_SIZE, + size_t size = PERCPU_PAGE_SIZE * num_possible_cpus(); + + cpu_data = memblock_alloc_from(size, PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS)); + if (!cpu_data) + panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n", + __func__, size, PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS)); } /** diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index f9c36750c6a4..05490dd073e6 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -454,6 +454,10 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize) __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, bestnode); + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%lx\n", + __func__, pernodesize, PERCPU_PAGE_SIZE, bestnode, + __pa(MAX_DMA_ADDRESS)); return ptr; } diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 29d841525ca1..e49200e31750 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -444,23 +444,45 @@ int __init create_mem_map_page_table(u64 start, u64 end, void *arg) for (address = start_page; address < end_page; address += PAGE_SIZE) { pgd = pgd_offset_k(address); - if (pgd_none(*pgd)) - pgd_populate(&init_mm, pgd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)); + if (pgd_none(*pgd)) { + pud = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node); + if (!pud) + goto err_alloc; + pgd_populate(&init_mm, pgd, pud); + } pud = pud_offset(pgd, address); - if (pud_none(*pud)) - pud_populate(&init_mm, pud, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)); + if (pud_none(*pud)) { + pmd = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node); + if (!pmd) + goto err_alloc; + pud_populate(&init_mm, pud, pmd); + } pmd = pmd_offset(pud, address); - if (pmd_none(*pmd)) - pmd_populate_kernel(&init_mm, pmd, memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)); + if (pmd_none(*pmd)) { + pte = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node); + if (!pte) + goto err_alloc; + pmd_populate_kernel(&init_mm, pmd, pte); + } pte = pte_offset_kernel(pmd, address); - if (pte_none(*pte)) - set_pte(pte, pfn_pte(__pa(memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, node)) >> PAGE_SHIFT, + if (pte_none(*pte)) { + void *page = memblock_alloc_node(PAGE_SIZE, PAGE_SIZE, + node); + if (!page) + goto err_alloc; + set_pte(pte, pfn_pte(__pa(page) >> PAGE_SHIFT, PAGE_KERNEL)); + } } return 0; + +err_alloc: + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d\n", + __func__, PAGE_SIZE, PAGE_SIZE, node); + return -ENOMEM; } struct memmap_init_callback_data { diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 9340bcb4f29c..5fc89aabdce1 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -61,8 +61,14 @@ mmu_context_init (void) { ia64_ctx.bitmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3, SMP_CACHE_BYTES); + if (!ia64_ctx.bitmap) + panic("%s: Failed to allocate %u bytes\n", __func__, + (ia64_ctx.max_ctx + 1) >> 3); ia64_ctx.flushmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3, SMP_CACHE_BYTES); + if (!ia64_ctx.flushmap) + panic("%s: Failed to allocate %u bytes\n", __func__, + (ia64_ctx.max_ctx + 1) >> 3); } /* diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index 8df13d0d96fa..d46847323ef6 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -394,6 +394,9 @@ void __init hubdev_init_node(nodepda_t * npda, cnodeid_t node) hubdev_info = (struct hubdev_info *)memblock_alloc_node(size, SMP_CACHE_BYTES, node); + if (!hubdev_info) + panic("%s: Failed to allocate %d bytes align=0x%x nid=%d\n", + __func__, size, SMP_CACHE_BYTES, node); npda->pdinfo = (void *)hubdev_info; } diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index a6d40a2c5bff..e6a5049ef503 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -513,6 +513,10 @@ static void __init sn_init_pdas(char **cmdline_p) nodepdaindr[cnode] = memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES, cnode); + if (!nodepdaindr[cnode]) + panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n", + __func__, sizeof(nodepda_t), SMP_CACHE_BYTES, + cnode); memset(nodepdaindr[cnode]->phys_cpuid, -1, sizeof(nodepdaindr[cnode]->phys_cpuid)); spin_lock_init(&nodepdaindr[cnode]->ptc_lock); @@ -521,9 +525,15 @@ static void __init sn_init_pdas(char **cmdline_p) /* * Allocate & initialize nodepda for TIOs. For now, put them on node 0. */ - for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) + for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) { nodepdaindr[cnode] = memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES, 0); + if (!nodepdaindr[cnode]) + panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n", + __func__, sizeof(nodepda_t), SMP_CACHE_BYTES, + cnode); + } + /* * Now copy the array of nodepda pointers to each nodepda. diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c index 6ffc204eb07d..6152f9f631d2 100644 --- a/arch/m68k/atari/stram.c +++ b/arch/m68k/atari/stram.c @@ -97,6 +97,10 @@ void __init atari_stram_reserve_pages(void *start_mem) pr_debug("atari_stram pool: kernel in ST-RAM, using alloc_bootmem!\n"); stram_pool.start = (resource_size_t)memblock_alloc_low(pool_size, PAGE_SIZE); + if (!stram_pool.start) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, pool_size, PAGE_SIZE); + stram_pool.end = stram_pool.start + pool_size - 1; request_resource(&iomem_resource, &stram_pool); stram_virt_offset = 0; diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 933c33e76a48..8868a4c9adae 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -94,6 +94,9 @@ void __init paging_init(void) high_memory = (void *) end_mem; empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers (user data space). diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index 0de4999a3810..6cb1e41d58d0 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -44,7 +44,9 @@ void __init paging_init(void) int i; empty_zero_page = (void *) memblock_alloc(PAGE_SIZE, PAGE_SIZE); - memset((void *) empty_zero_page, 0, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); pg_dir = swapper_pg_dir; memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir)); @@ -52,6 +54,9 @@ void __init paging_init(void) size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE); + if (!next_pgtable) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; pg_dir += PAGE_OFFSET >> PGDIR_SHIFT; diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 3f3d0bf36091..356601bf96d9 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -55,6 +55,9 @@ static pte_t * __init kernel_page_table(void) pte_t *ptablep; ptablep = (pte_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!ptablep) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); clear_page(ptablep); __flush_page_to_ram(ptablep); @@ -96,6 +99,9 @@ static pmd_t * __init kernel_ptr_table(void) if (((unsigned long)last_pgtable & ~PAGE_MASK) == 0) { last_pgtable = (pmd_t *)memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!last_pgtable) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); clear_page(last_pgtable); __flush_page_to_ram(last_pgtable); @@ -278,6 +284,9 @@ void __init paging_init(void) * to a couple of allocated pages */ empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index f736db48a2e1..eca1c46bb90a 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -46,6 +46,9 @@ void __init paging_init(void) unsigned long size; empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); address = PAGE_OFFSET; pg_dir = swapper_pg_dir; @@ -56,6 +59,9 @@ void __init paging_init(void) size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE); + if (!next_pgtable) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; /* Map whole memory from PAGE_OFFSET (0x0E000000) */ diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c index 4d64711d3d47..399f3d06125f 100644 --- a/arch/m68k/sun3/sun3dvma.c +++ b/arch/m68k/sun3/sun3dvma.c @@ -269,6 +269,9 @@ void __init dvma_init(void) iommu_use = memblock_alloc(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long), SMP_CACHE_BYTES); + if (!iommu_use) + panic("%s: Failed to allocate %zu bytes\n", __func__, + IOMMU_TOTAL_ENTRIES * sizeof(unsigned long)); dvma_unmap_iommu(DVMA_START, DVMA_SIZE); diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index 44f4b8910c21..7e97d44f6538 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -374,12 +374,14 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask) { void *p; - if (mem_init_done) + if (mem_init_done) { p = kzalloc(size, mask); - else { + } else { p = memblock_alloc(size, SMP_CACHE_BYTES); - if (p) - memset(p, 0, size); + if (!p) + panic("%s: Failed to allocate %zu bytes\n", + __func__, size); } + return p; } diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c index e8eb60ed99f2..11d5a4e90736 100644 --- a/arch/mips/cavium-octeon/dma-octeon.c +++ b/arch/mips/cavium-octeon/dma-octeon.c @@ -245,6 +245,9 @@ void __init plat_swiotlb_setup(void) swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT; octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE); + if (!octeon_swiotlb) + panic("%s: Failed to allocate %zu bytes align=%lx\n", + __func__, swiotlbsize, PAGE_SIZE); if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM) panic("Cannot allocate SWIOTLB buffer"); diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 5151532ad959..8d1dc6c71173 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -919,6 +919,9 @@ static void __init resource_init(void) end = HIGHMEM_START - 1; res = memblock_alloc(sizeof(struct resource), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct resource)); res->start = start; res->end = end; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 42d411125690..98ca55d62201 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -2293,7 +2293,10 @@ void __init trap_init(void) phys_addr_t ebase_pa; ebase = (unsigned long) - memblock_alloc_from(size, 1 << fls(size), 0); + memblock_alloc(size, 1 << fls(size)); + if (!ebase) + panic("%s: Failed to allocate %lu bytes align=0x%x\n", + __func__, size, 1 << fls(size)); /* * Try to ensure ebase resides in KSeg0 if possible. diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index c3b45e248806..bbb196ad5f26 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -252,6 +252,11 @@ void __init fixrange_init(unsigned long start, unsigned long end, if (pmd_none(*pmd)) { pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, + PAGE_SIZE); + set_pmd(pmd, __pmd((unsigned long)pte)); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c index d1e521cce317..1d03633f89a9 100644 --- a/arch/nds32/mm/init.c +++ b/arch/nds32/mm/init.c @@ -79,6 +79,9 @@ static void __init map_ram(void) /* Alloc one page for holding PTE's... */ pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pme, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE)); /* Fill the newly allocated page with PTE'S */ @@ -111,6 +114,9 @@ static void __init fixedrange_init(void) pud = pud_offset(pgd, vaddr); pmd = pmd_offset(pud, vaddr); fixmap_pmd_p = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!fixmap_pmd_p) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pmd, __pmd(__pa(fixmap_pmd_p) + _PAGE_KERNEL_TABLE)); #ifdef CONFIG_HIGHMEM @@ -123,6 +129,9 @@ static void __init fixedrange_init(void) pud = pud_offset(pgd, vaddr); pmd = pmd_offset(pud, vaddr); pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); set_pmd(pmd, __pmd(__pa(pte) + _PAGE_KERNEL_TABLE)); pkmap_page_table = pte; #endif /* CONFIG_HIGHMEM */ @@ -148,6 +157,9 @@ void __init paging_init(void) /* allocate space for empty_zero_page */ zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); zone_sizes_init(); empty_zero_page = virt_to_page(zero_page); diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c index d157310eb377..caeb4184e8a6 100644 --- a/arch/openrisc/mm/init.c +++ b/arch/openrisc/mm/init.c @@ -105,7 +105,10 @@ static void __init map_ram(void) } /* Alloc one page for holding PTE's... */ - pte = (pte_t *) __va(memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE)); + pte = memblock_alloc_raw(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate page for PTEs\n", + __func__); set_pmd(pme, __pmd(_KERNPG_TABLE + __pa(pte))); /* Fill the newly allocated page with PTE'S */ diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c index 051bcb4fefd3..a8509950dbbc 100644 --- a/arch/openrisc/mm/ioremap.c +++ b/arch/openrisc/mm/ioremap.c @@ -122,10 +122,14 @@ pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm) { pte_t *pte; - if (likely(mem_init_done)) + if (likely(mem_init_done)) { pte = (pte_t *)get_zeroed_page(GFP_KERNEL); - else + } else { pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + } return pte; } diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index e49bd5efcfe6..c66fd3ce6478 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -810,7 +810,6 @@ static int __init process_cpufeatures_node(unsigned long node, int len; f = &dt_cpu_features[i]; - memset(f, 0, sizeof(struct dt_cpu_feature)); f->node = node; @@ -1005,7 +1004,12 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char /* Count and allocate space for cpu features */ of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes, &nr_dt_cpu_features); - dt_cpu_features = __va(memblock_phys_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE)); + dt_cpu_features = memblock_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE); + if (!dt_cpu_features) + panic("%s: Failed to allocate %zu bytes align=0x%lx\n", + __func__, + sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, + PAGE_SIZE); cpufeatures_setup_start(isa); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 8c890c6557ed..e7382abee868 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -196,7 +196,11 @@ void __init allocate_paca_ptrs(void) paca_nr_cpu_ids = nr_cpu_ids; paca_ptrs_size = sizeof(struct paca_struct *) * nr_cpu_ids; - paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, SMP_CACHE_BYTES)); + paca_ptrs = memblock_alloc_raw(paca_ptrs_size, SMP_CACHE_BYTES); + if (!paca_ptrs) + panic("Failed to allocate %d bytes for paca pointers\n", + paca_ptrs_size); + memset(paca_ptrs, 0x88, paca_ptrs_size); } diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index d3f04f2d8249..0417fda13636 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -205,6 +205,9 @@ pci_create_OF_bus_map(void) of_prop = memblock_alloc(sizeof(struct property) + 256, SMP_CACHE_BYTES); + if (!of_prop) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(struct property) + 256); dn = of_find_node_by_path("/"); if (dn) { memset(of_prop, -1, sizeof(struct property) + 256); diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 4181ec715f88..4221527b082f 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -126,7 +126,10 @@ static void __init move_device_tree(void) if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) || !memblock_is_memory(start + size - 1) || overlaps_crashkernel(start, size) || overlaps_initrd(start, size)) { - p = __va(memblock_phys_alloc(size, PAGE_SIZE)); + p = memblock_alloc_raw(size, PAGE_SIZE); + if (!p) + panic("Failed to allocate %lu bytes to move device tree\n", + size); memcpy(p, initial_boot_params, size); initial_boot_params = p; DBG("Moved device tree to 0x%px\n", p); diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index de35bd8f047f..fbc676160adf 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -1187,7 +1187,11 @@ void __init rtas_initialize(void) ibm_suspend_me_token = rtas_token("ibm,suspend-me"); } #endif - rtas_rmo_buf = memblock_alloc_base(RTAS_RMOBUF_MAX, PAGE_SIZE, rtas_region); + rtas_rmo_buf = memblock_phys_alloc_range(RTAS_RMOBUF_MAX, PAGE_SIZE, + 0, rtas_region); + if (!rtas_rmo_buf) + panic("ERROR: RTAS: Failed to allocate %lx bytes below %pa\n", + PAGE_SIZE, &rtas_region); #ifdef CONFIG_RTAS_ERROR_LOGGING rtas_last_error_token = rtas_token("rtas-last-error"); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index f17868e19e2c..2e5dfb6e0823 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -461,6 +461,9 @@ void __init smp_setup_cpu_maps(void) cpu_to_phys_id = memblock_alloc(nr_cpu_ids * sizeof(u32), __alignof__(u32)); + if (!cpu_to_phys_id) + panic("%s: Failed to allocate %zu bytes align=0x%zx\n", + __func__, nr_cpu_ids * sizeof(u32), __alignof__(u32)); for_each_node_by_type(dn, "cpu") { const __be32 *intserv; diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index ff0aac42bb33..ba404dd9ce1d 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -905,6 +905,10 @@ static void __ref init_fallback_flush(void) l1d_flush_fallback_area = memblock_alloc_try_nid(l1d_size * 2, l1d_size, MEMBLOCK_LOW_LIMIT, limit, NUMA_NO_NODE); + if (!l1d_flush_fallback_area) + panic("%s: Failed to allocate %llu bytes align=0x%llx max_addr=%pa\n", + __func__, l1d_size * 2, l1d_size, &limit); + for_each_possible_cpu(cpu) { struct paca_struct *paca = paca_ptrs[cpu]; diff --git a/arch/powerpc/lib/alloc.c b/arch/powerpc/lib/alloc.c index dedf88a76f58..ce180870bd52 100644 --- a/arch/powerpc/lib/alloc.c +++ b/arch/powerpc/lib/alloc.c @@ -15,6 +15,9 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask) p = kzalloc(size, mask); else { p = memblock_alloc(size, SMP_CACHE_BYTES); + if (!p) + panic("%s: Failed to allocate %zu bytes\n", __func__, + size); } return p; } diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 3d4b2399192f..0a4f939a8161 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -882,8 +882,12 @@ static void __init htab_initialize(void) } #endif /* CONFIG_PPC_CELL */ - table = memblock_alloc_base(htab_size_bytes, htab_size_bytes, - limit); + table = memblock_phys_alloc_range(htab_size_bytes, + htab_size_bytes, + 0, limit); + if (!table) + panic("ERROR: Failed to allocate %pa bytes below %pa\n", + &htab_size_bytes, &limit); DBG("Hash table allocated at %lx, size: %lx\n", table, htab_size_bytes); @@ -911,6 +915,9 @@ static void __init htab_initialize(void) linear_map_hash_slots = memblock_alloc_try_nid( linear_map_hash_count, 1, MEMBLOCK_LOW_LIMIT, ppc64_rma_size, NUMA_NO_NODE); + if (!linear_map_hash_slots) + panic("%s: Failed to allocate %lu bytes max_addr=%pa\n", + __func__, linear_map_hash_count, &ppc64_rma_size); } #endif /* CONFIG_DEBUG_PAGEALLOC */ diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index 22d71a58167f..1945c5f19f5e 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -461,10 +461,19 @@ void __init mmu_context_init(void) * Allocate the maps used by context management */ context_map = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES); + if (!context_map) + panic("%s: Failed to allocate %zu bytes\n", __func__, + CTX_MAP_SIZE); context_mm = memblock_alloc(sizeof(void *) * (LAST_CONTEXT + 1), SMP_CACHE_BYTES); + if (!context_mm) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(void *) * (LAST_CONTEXT + 1)); #ifdef CONFIG_SMP stale_map[boot_cpuid] = memblock_alloc(CTX_MAP_SIZE, SMP_CACHE_BYTES); + if (!stale_map[boot_cpuid]) + panic("%s: Failed to allocate %zu bytes\n", __func__, + CTX_MAP_SIZE); cpuhp_setup_state_nocalls(CPUHP_POWERPC_MMU_CTX_PREPARE, "powerpc/mmu/ctx:prepare", diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index ac49e4158e50..f976676004ad 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -788,6 +788,10 @@ static void __init setup_node_data(int nid, u64 start_pfn, u64 end_pfn) int tnid; nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); + if (!nd_pa) + panic("Cannot allocate %zu bytes for node %d data\n", + nd_size, nid); + nd = __va(nd_pa); /* report and initialize */ diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c index 53cbc7dc2df2..1032ef7aaf62 100644 --- a/arch/powerpc/mm/pgtable-book3e.c +++ b/arch/powerpc/mm/pgtable-book3e.c @@ -57,8 +57,16 @@ void vmemmap_remove_mapping(unsigned long start, static __ref void *early_alloc_pgtable(unsigned long size) { - return memblock_alloc_try_nid(size, size, MEMBLOCK_LOW_LIMIT, - __pa(MAX_DMA_ADDRESS), NUMA_NO_NODE); + void *ptr; + + ptr = memblock_alloc_try_nid(size, size, MEMBLOCK_LOW_LIMIT, + __pa(MAX_DMA_ADDRESS), NUMA_NO_NODE); + + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%lx\n", + __func__, size, size, __pa(MAX_DMA_ADDRESS)); + + return ptr; } /* diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index 92a3e4c39540..a4341aba0af4 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -197,6 +197,9 @@ void __init mmu_partition_table_init(void) BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large."); /* Initialize the Partition Table with no entries */ partition_tb = memblock_alloc(patb_size, patb_size); + if (!partition_tb) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, patb_size, patb_size); /* * update partition table control register, diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index e377684ac6ad..154472a28c77 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -53,13 +53,20 @@ static __ref void *early_alloc_pgtable(unsigned long size, int nid, { phys_addr_t min_addr = MEMBLOCK_LOW_LIMIT; phys_addr_t max_addr = MEMBLOCK_ALLOC_ANYWHERE; + void *ptr; if (region_start) min_addr = region_start; if (region_end) max_addr = region_end; - return memblock_alloc_try_nid(size, size, min_addr, max_addr, nid); + ptr = memblock_alloc_try_nid(size, size, min_addr, max_addr, nid); + + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx nid=%d from=%pa max_addr=%pa\n", + __func__, size, size, nid, &min_addr, &max_addr); + + return ptr; } static int early_map_kernel_page(unsigned long ea, unsigned long pa, diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 6c8a60b1e31d..f29d2f118b44 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -340,6 +340,9 @@ void __init MMU_init_hw(void) */ if ( ppc_md.progress ) ppc_md.progress("hash:find piece", 0x322); Hash = memblock_alloc(Hash_size, Hash_size); + if (!Hash) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, Hash_size, Hash_size); _SDR1 = __pa(Hash) | SDR1_LOW_BITS; Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size); diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index 86368e238f6e..044c6089462c 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -211,6 +211,9 @@ static int __init iob_init(struct device_node *dn) iob_l2_base = memblock_alloc_try_nid_raw(1UL << 21, 1UL << 21, MEMBLOCK_LOW_LIMIT, 0x80000000, NUMA_NO_NODE); + if (!iob_l2_base) + panic("%s: Failed to allocate %lu bytes align=0x%lx max_addr=%x\n", + __func__, 1UL << 21, 1UL << 21, 0x80000000); pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base); diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index 9360cdc408c1..86989c5779c2 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -519,6 +519,9 @@ static int __init core99_nvram_setup(struct device_node *dp, unsigned long addr) return -EINVAL; } nvram_image = memblock_alloc(NVRAM_SIZE, SMP_CACHE_BYTES); + if (!nvram_image) + panic("%s: Failed to allocate %u bytes\n", __func__, + NVRAM_SIZE); nvram_data = ioremap(addr, NVRAM_SIZE*2); nvram_naddrs = 1; /* Make sure we get the correct case */ diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 727a7de08635..2b0eca104f86 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -171,6 +171,9 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node, * Allocate a buffer to hold the MC recoverable ranges. */ mc_recoverable_range = memblock_alloc(size, __alignof__(u64)); + if (!mc_recoverable_range) + panic("%s: Failed to allocate %u bytes align=0x%lx\n", + __func__, size, __alignof__(u64)); for (i = 0; i < mc_recoverable_range_len; i++) { mc_recoverable_range[i].start_addr = diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index fa6af52b5219..3ead4c237ed0 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3657,6 +3657,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, pr_debug(" PHB-ID : 0x%016llx\n", phb_id); phb = memblock_alloc(sizeof(*phb), SMP_CACHE_BYTES); + if (!phb) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*phb)); /* Allocate PCI controller */ phb->hose = hose = pcibios_alloc_controller(np); @@ -3703,6 +3706,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, phb->diag_data_size = PNV_PCI_DIAG_BUF_SIZE; phb->diag_data = memblock_alloc(phb->diag_data_size, SMP_CACHE_BYTES); + if (!phb->diag_data) + panic("%s: Failed to allocate %u bytes\n", __func__, + phb->diag_data_size); /* Parse 32-bit and IO ranges (if any) */ pci_process_bridge_OF_ranges(hose, np, !hose->global_number); @@ -3762,6 +3768,8 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, pemap_off = size; size += phb->ioda.total_pe_num * sizeof(struct pnv_ioda_pe); aux = memblock_alloc(size, SMP_CACHE_BYTES); + if (!aux) + panic("%s: Failed to allocate %lu bytes\n", __func__, size); phb->ioda.pe_alloc = aux; phb->ioda.m64_segmap = aux + m64map_off; phb->ioda.m32_segmap = aux + m32map_off; diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 658bfab3350b..4ce5458eb0f8 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -127,6 +127,9 @@ static void __init prealloc(struct ps3_prealloc *p) return; p->address = memblock_alloc(p->size, p->align); + if (!p->address) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, p->size, p->align); printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, p->address); diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c index fc5c5c23303e..2a751795ec1e 100644 --- a/arch/powerpc/sysdev/dart_iommu.c +++ b/arch/powerpc/sysdev/dart_iommu.c @@ -265,6 +265,9 @@ static void allocate_dart(void) * prefetching into invalid pages and corrupting data */ tmp = memblock_phys_alloc(DART_PAGE_SIZE, DART_PAGE_SIZE); + if (!tmp) + panic("DART: table allocation failed\n"); + dart_emptyval = DARTMAP_VALID | ((tmp >> DART_PAGE_SHIFT) & DARTMAP_RPNMASK); diff --git a/arch/powerpc/sysdev/msi_bitmap.c b/arch/powerpc/sysdev/msi_bitmap.c index d45450f6666a..51a679a1c403 100644 --- a/arch/powerpc/sysdev/msi_bitmap.c +++ b/arch/powerpc/sysdev/msi_bitmap.c @@ -129,6 +129,9 @@ int __ref msi_bitmap_alloc(struct msi_bitmap *bmp, unsigned int irq_count, bmp->bitmap = kzalloc(size, GFP_KERNEL); else { bmp->bitmap = memblock_alloc(size, SMP_CACHE_BYTES); + if (!bmp->bitmap) + panic("%s: Failed to allocate %u bytes\n", __func__, + size); /* the bitmap won't be freed from memblock allocator */ kmemleak_not_leak(bmp->bitmap); } diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index 97eae3871868..f96a5857bbfd 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -61,6 +61,9 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu) struct save_area *sa; sa = (void *) memblock_phys_alloc(sizeof(*sa), 8); + if (!sa) + panic("Failed to allocate save area\n"); + if (is_boot_cpu) list_add(&sa->list, &dump_save_areas); else diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 12934e8fbb91..2c642af526ce 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -378,6 +378,10 @@ static void __init setup_lowcore_dat_off(void) */ BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * PAGE_SIZE); lc = memblock_alloc_low(sizeof(*lc), sizeof(*lc)); + if (!lc) + panic("%s: Failed to allocate %zu bytes align=%zx\n", + __func__, sizeof(*lc), sizeof(*lc)); + lc->restart_psw.mask = PSW_KERNEL_BITS; lc->restart_psw.addr = (unsigned long) restart_int_handler; lc->external_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_MCHECK; @@ -419,6 +423,9 @@ static void __init setup_lowcore_dat_off(void) * all CPUs in cast *one* of them does a PSW restart. */ restart_stack = memblock_alloc(THREAD_SIZE, THREAD_SIZE); + if (!restart_stack) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, THREAD_SIZE, THREAD_SIZE); restart_stack += STACK_INIT_OFFSET; /* @@ -495,6 +502,9 @@ static void __init setup_resources(void) for_each_memblock(memory, reg) { res = memblock_alloc(sizeof(*res), 8); + if (!res) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(*res), 8); res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM; res->name = "System RAM"; @@ -509,6 +519,9 @@ static void __init setup_resources(void) continue; if (std_res->end > res->end) { sub_res = memblock_alloc(sizeof(*sub_res), 8); + if (!sub_res) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(*sub_res), 8); *sub_res = *std_res; sub_res->end = res->end; std_res->start = res->end + 1; @@ -966,6 +979,9 @@ static void __init setup_randomness(void) vmms = (struct sysinfo_3_2_2 *) memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE); + if (!vmms) + panic("Failed to allocate memory for sysinfo structure\n"); + if (stsi(vmms, 3, 2, 2) == 0 && vmms->count) add_device_randomness(&vmms->vm, sizeof(vmms->vm[0]) * vmms->count); memblock_free((unsigned long) vmms, PAGE_SIZE); diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index b198ece2aad6..3fe1c77c361b 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -656,7 +656,11 @@ void __init smp_save_dump_cpus(void) /* No previous system present, normal boot. */ return; /* Allocate a page as dumping area for the store status sigps */ - page = memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, 1UL << 31); + page = memblock_phys_alloc_range(PAGE_SIZE, PAGE_SIZE, 0, 1UL << 31); + if (!page) + panic("ERROR: Failed to allocate %lx bytes below %lx\n", + PAGE_SIZE, 1UL << 31); + /* Set multi-threading state to the previous system. */ pcpu_set_smt(sclp.mtid_prev); boot_cpu_addr = stap(); @@ -766,6 +770,9 @@ void __init smp_detect_cpus(void) /* Get CPU information */ info = memblock_alloc(sizeof(*info), 8); + if (!info) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(*info), 8); smp_get_core_info(info, 1); /* Find boot CPU type */ if (sclp.has_core_type) { diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 8992b04c0ade..8964a3f60aad 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -520,6 +520,9 @@ static void __init alloc_masks(struct sysinfo_15_1_x *info, nr_masks = max(nr_masks, 1); for (i = 0; i < nr_masks; i++) { mask->next = memblock_alloc(sizeof(*mask->next), 8); + if (!mask->next) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(*mask->next), 8); mask = mask->next; } } @@ -538,6 +541,9 @@ void __init topology_init_early(void) if (!MACHINE_HAS_TOPOLOGY) goto out; tl_info = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!tl_info) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); info = tl_info; store_topology(info); pr_info("The CPU configuration topology of the machine is: %d %d %d %d %d %d / %d\n", diff --git a/arch/s390/numa/mode_emu.c b/arch/s390/numa/mode_emu.c index bfba273c32c0..71a12a4f4906 100644 --- a/arch/s390/numa/mode_emu.c +++ b/arch/s390/numa/mode_emu.c @@ -313,6 +313,9 @@ static void __ref create_core_to_node_map(void) int i; emu_cores = memblock_alloc(sizeof(*emu_cores), 8); + if (!emu_cores) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(*emu_cores), 8); for (i = 0; i < ARRAY_SIZE(emu_cores->to_node_id); i++) emu_cores->to_node_id[i] = NODE_ID_FREE; } diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c index 2d1271e2a70d..8eb9e9743f5d 100644 --- a/arch/s390/numa/numa.c +++ b/arch/s390/numa/numa.c @@ -92,8 +92,12 @@ static void __init numa_setup_memory(void) } while (cur_base < end_of_dram); /* Allocate and fill out node_data */ - for (nid = 0; nid < MAX_NUMNODES; nid++) + for (nid = 0; nid < MAX_NUMNODES; nid++) { NODE_DATA(nid) = memblock_alloc(sizeof(pg_data_t), 8); + if (!NODE_DATA(nid)) + panic("%s: Failed to allocate %zu bytes align=0x%x\n", + __func__, sizeof(pg_data_t), 8); + } for_each_online_node(nid) { unsigned long start_pfn, end_pfn; diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c index 7899b4f51fdd..8301a4378f50 100644 --- a/arch/sh/boards/mach-ap325rxa/setup.c +++ b/arch/sh/boards/mach-ap325rxa/setup.c @@ -556,7 +556,10 @@ static void __init ap325rxa_mv_mem_reserve(void) phys_addr_t phys; phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 3c59019c4695..34e5414c5563 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -1476,12 +1476,18 @@ static void __init ecovec_mv_mem_reserve(void) phys_addr_t phys; phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU0 memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); ceu0_dma_membase = phys; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU1 memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); ceu1_dma_membase = phys; diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c index b8bf67c86eab..1cf9a47ac90e 100644 --- a/arch/sh/boards/mach-kfr2r09/setup.c +++ b/arch/sh/boards/mach-kfr2r09/setup.c @@ -630,7 +630,10 @@ static void __init kfr2r09_mv_mem_reserve(void) phys_addr_t phys; phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index 03579faa4ce3..90702740f207 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -630,7 +630,10 @@ static void __init migor_mv_mem_reserve(void) phys_addr_t phys; phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 13c2d3ce78f4..3674064816c7 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -963,12 +963,18 @@ static void __init ms7724se_mv_mem_reserve(void) phys_addr_t phys; phys_addr_t size = CEU_BUFFER_MEMORY_SIZE; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU0 memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); ceu0_dma_membase = phys; - phys = memblock_alloc_base(size, PAGE_SIZE, MEMBLOCK_ALLOC_ANYWHERE); + phys = memblock_phys_alloc(size, PAGE_SIZE); + if (!phys) + panic("Failed to allocate CEU1 memory\n"); + memblock_free(phys, size); memblock_remove(phys, size); ceu1_dma_membase = phys; diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c index b9f9f1a5afdc..63d63a36f6f2 100644 --- a/arch/sh/kernel/machine_kexec.c +++ b/arch/sh/kernel/machine_kexec.c @@ -168,7 +168,8 @@ void __init reserve_crashkernel(void) crash_size = PAGE_ALIGN(resource_size(&crashk_res)); if (!crashk_res.start) { unsigned long max = memblock_end_of_DRAM() - memory_limit; - crashk_res.start = __memblock_alloc_base(crash_size, PAGE_SIZE, max); + crashk_res.start = memblock_phys_alloc_range(crash_size, + PAGE_SIZE, 0, max); if (!crashk_res.start) { pr_err("crashkernel allocation failed\n"); goto disable; diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index a0fa4de03dd5..70621324db41 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -128,6 +128,9 @@ static pmd_t * __init one_md_table_init(pud_t *pud) pmd_t *pmd; pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pmd) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); pud_populate(&init_mm, pud, pmd); BUG_ON(pmd != pmd_offset(pud, 0)); } @@ -141,6 +144,9 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) pte_t *pte; pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, pte); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } @@ -196,7 +202,7 @@ void __init allocate_pgdat(unsigned int nid) get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); #ifdef CONFIG_NEED_MULTIPLE_NODES - NODE_DATA(nid) = memblock_alloc_try_nid_nopanic( + NODE_DATA(nid) = memblock_alloc_try_nid( sizeof(struct pglist_data), SMP_CACHE_BYTES, MEMBLOCK_LOW_LIMIT, MEMBLOCK_ALLOC_ACCESSIBLE, nid); diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c index c4bde6148810..f7e4439deb17 100644 --- a/arch/sh/mm/numa.c +++ b/arch/sh/mm/numa.c @@ -43,6 +43,10 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) /* Node-local pgdat */ NODE_DATA(nid) = memblock_alloc_node(sizeof(struct pglist_data), SMP_CACHE_BYTES, nid); + if (!NODE_DATA(nid)) + panic("%s: Failed to allocate %zu bytes align=0x%x nid=%d\n", + __func__, sizeof(struct pglist_data), SMP_CACHE_BYTES, + nid); NODE_DATA(nid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 42d7f2a7da6d..869b16c96157 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -32,9 +32,9 @@ void * __init prom_early_alloc(unsigned long size) { void *ret; - ret = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL); - if (ret != NULL) - memset(ret, 0, size); + ret = memblock_alloc(size, SMP_CACHE_BYTES); + if (!ret) + panic("%s: Failed to allocate %lu bytes\n", __func__, size); prom_early_allocated += size; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 51c4d12c0853..fd2182a5c32d 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -624,8 +624,14 @@ void __init alloc_irqstack_bootmem(void) softirq_stack[i] = memblock_alloc_node(THREAD_SIZE, THREAD_SIZE, node); + if (!softirq_stack[i]) + panic("%s: Failed to allocate %lu bytes align=%lx nid=%d\n", + __func__, THREAD_SIZE, THREAD_SIZE, node); hardirq_stack[i] = memblock_alloc_node(THREAD_SIZE, THREAD_SIZE, node); + if (!hardirq_stack[i]) + panic("%s: Failed to allocate %lu bytes align=%lx nid=%d\n", + __func__, THREAD_SIZE, THREAD_SIZE, node); } } diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index f45d876983f1..a8275fea4b70 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -1628,6 +1628,8 @@ static void __init pcpu_populate_pte(unsigned long addr) pud_t *new; new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; pgd_populate(&init_mm, pgd, new); } @@ -1636,6 +1638,8 @@ static void __init pcpu_populate_pte(unsigned long addr) pmd_t *new; new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; pud_populate(&init_mm, pud, new); } @@ -1644,8 +1648,16 @@ static void __init pcpu_populate_pte(unsigned long addr) pte_t *new; new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; pmd_populate_kernel(&init_mm, pmd, new); } + + return; + +err_alloc: + panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); } void __init setup_per_cpu_areas(void) diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index d900952bfc5f..a8ff29821bdb 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -264,7 +264,7 @@ void __init mem_init(void) i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5); i += 1; sparc_valid_addr_bitmap = (unsigned long *) - memblock_alloc_from(i << 2, SMP_CACHE_BYTES, 0UL); + memblock_alloc(i << 2, SMP_CACHE_BYTES); if (sparc_valid_addr_bitmap == NULL) { prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n"); diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index ef340e8f209f..f2d70ff7a284 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1809,6 +1809,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; alloc_bytes += PAGE_SIZE; pgd_populate(&init_mm, pgd, new); } @@ -1822,6 +1824,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, } new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; alloc_bytes += PAGE_SIZE; pud_populate(&init_mm, pud, new); } @@ -1836,6 +1840,8 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, } new = memblock_alloc_from(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + if (!new) + goto err_alloc; alloc_bytes += PAGE_SIZE; pmd_populate_kernel(&init_mm, pmd, new); } @@ -1855,6 +1861,11 @@ static unsigned long __ref kernel_map_range(unsigned long pstart, } return alloc_bytes; + +err_alloc: + panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE, PAGE_SIZE); + return -ENOMEM; } static void __init flush_all_kernel_tsbs(void) diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index b609362e846f..aaebbc00d262 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -303,13 +303,19 @@ static void __init srmmu_nocache_init(void) bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT; - srmmu_nocache_pool = memblock_alloc_from(srmmu_nocache_size, - SRMMU_NOCACHE_ALIGN_MAX, 0UL); + srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size, + SRMMU_NOCACHE_ALIGN_MAX); + if (!srmmu_nocache_pool) + panic("%s: Failed to allocate %lu bytes align=0x%x\n", + __func__, srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX); memset(srmmu_nocache_pool, 0, srmmu_nocache_size); srmmu_nocache_bitmap = - memblock_alloc_from(BITS_TO_LONGS(bitmap_bits) * sizeof(long), - SMP_CACHE_BYTES, 0UL); + memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long), + SMP_CACHE_BYTES); + if (!srmmu_nocache_bitmap) + panic("%s: Failed to allocate %zu bytes\n", __func__, + BITS_TO_LONGS(bitmap_bits) * sizeof(long)); bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits); srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE); @@ -467,7 +473,9 @@ static void __init sparc_context_init(int numctx) unsigned long size; size = numctx * sizeof(struct ctx_list); - ctx_list_pool = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL); + ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES); + if (!ctx_list_pool) + panic("%s: Failed to allocate %lu bytes\n", __func__, size); for (ctx = 0; ctx < numctx; ctx++) { struct ctx_list *clist; diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index d80cfb1d9430..6e5be5fb4143 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -649,6 +649,9 @@ static int __init eth_setup(char *str) } new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES); + if (!new) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*new)); INIT_LIST_HEAD(&new->list); new->index = n; diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index 046fa9ea0ccc..596e7056f376 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -1576,6 +1576,9 @@ static int __init vector_setup(char *str) return 1; } new = memblock_alloc(sizeof(*new), SMP_CACHE_BYTES); + if (!new) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*new)); INIT_LIST_HEAD(&new->list); new->unit = n; new->arguments = str; diff --git a/arch/um/kernel/initrd.c b/arch/um/kernel/initrd.c index ce169ea87e61..1dcd310cb34d 100644 --- a/arch/um/kernel/initrd.c +++ b/arch/um/kernel/initrd.c @@ -37,6 +37,8 @@ int __init read_initrd(void) } area = memblock_alloc(size, SMP_CACHE_BYTES); + if (!area) + panic("%s: Failed to allocate %llu bytes\n", __func__, size); if (load_initrd(initrd, area, size) == -1) return 0; diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index 799b571a8f88..99aa11bf53d1 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c @@ -66,6 +66,10 @@ static void __init one_page_table_init(pmd_t *pmd) if (pmd_none(*pmd)) { pte_t *pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + set_pmd(pmd, __pmd(_KERNPG_TABLE + (unsigned long) __pa(pte))); if (pte != pte_offset_kernel(pmd, 0)) @@ -77,6 +81,10 @@ static void __init one_md_table_init(pud_t *pud) { #ifdef CONFIG_3_LEVEL_PGTABLES pmd_t *pmd_table = (pmd_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pmd_table) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + set_pud(pud, __pud(_KERNPG_TABLE + (unsigned long) __pa(pmd_table))); if (pmd_table != pmd_offset(pud, 0)) BUG(); @@ -126,6 +134,10 @@ static void __init fixaddr_user_init( void) fixrange_init( FIXADDR_USER_START, FIXADDR_USER_END, swapper_pg_dir); v = (unsigned long) memblock_alloc_low(size, PAGE_SIZE); + if (!v) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, size, PAGE_SIZE); + memcpy((void *) v , (void *) FIXADDR_USER_START, size); p = __pa(v); for ( ; size > 0; size -= PAGE_SIZE, vaddr += PAGE_SIZE, @@ -146,6 +158,10 @@ void __init paging_init(void) empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!empty_zero_page) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + for (i = 0; i < ARRAY_SIZE(zones_size); i++) zones_size[i] = 0; diff --git a/arch/unicore32/kernel/setup.c b/arch/unicore32/kernel/setup.c index 4b0cb68c355a..d3239cf2e837 100644 --- a/arch/unicore32/kernel/setup.c +++ b/arch/unicore32/kernel/setup.c @@ -207,6 +207,10 @@ request_standard_resources(struct meminfo *mi) continue; res = memblock_alloc_low(sizeof(*res), SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes align=%x\n", + __func__, sizeof(*res), SMP_CACHE_BYTES); + res->name = "System RAM"; res->start = mi->bank[i].start; res->end = mi->bank[i].start + mi->bank[i].size - 1; diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c index a40219291965..aa2060beb408 100644 --- a/arch/unicore32/mm/mmu.c +++ b/arch/unicore32/mm/mmu.c @@ -145,8 +145,13 @@ static pte_t * __init early_pte_alloc(pmd_t *pmd, unsigned long addr, unsigned long prot) { if (pmd_none(*pmd)) { - pte_t *pte = memblock_alloc(PTRS_PER_PTE * sizeof(pte_t), - PTRS_PER_PTE * sizeof(pte_t)); + size_t size = PTRS_PER_PTE * sizeof(pte_t); + pte_t *pte = memblock_alloc(size, size); + + if (!pte) + panic("%s: Failed to allocate %zu bytes align=%zx\n", + __func__, size, size); + __pmd_populate(pmd, __pa(pte) | prot); } BUG_ON(pmd_bad(*pmd)); @@ -349,6 +354,9 @@ static void __init devicemaps_init(void) * Allocate the vector page early. */ vectors = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!vectors) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE) pmd_clear(pmd_off_k(addr)); @@ -426,6 +434,9 @@ void __init paging_init(void) /* allocate the zero page. */ zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!zero_page) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); bootmem_init(); diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 2624de16cd7a..8dcbf6890714 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -935,6 +935,9 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) #define HPET_RESOURCE_NAME_SIZE 9 hpet_res = memblock_alloc(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE, SMP_CACHE_BYTES); + if (!hpet_res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE); hpet_res->name = (void *)&hpet_res[1]; hpet_res->flags = IORESOURCE_MEM; diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 264e3221d923..53aa234a6803 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2581,6 +2581,8 @@ static struct resource * __init ioapic_setup_resources(void) n *= nr_ioapics; mem = memblock_alloc(n, SMP_CACHE_BYTES); + if (!mem) + panic("%s: Failed to allocate %lu bytes\n", __func__, n); res = (void *)mem; mem += sizeof(struct resource) * nr_ioapics; @@ -2625,6 +2627,9 @@ fake_ioapic_page: #endif ioapic_phys = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (!ioapic_phys) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); ioapic_phys = __pa(ioapic_phys); } set_fixmap_nocache(idx, ioapic_phys); diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 666e4af145a2..2879e234e193 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -776,7 +776,7 @@ u64 __init e820__memblock_alloc_reserved(u64 size, u64 align) { u64 addr; - addr = __memblock_alloc_base(size, align, MEMBLOCK_ALLOC_ACCESSIBLE); + addr = memblock_phys_alloc(size, align); if (addr) { e820__range_update_kexec(addr, size, E820_TYPE_RAM, E820_TYPE_RESERVED); pr_info("update e820_table_kexec for e820__memblock_alloc_reserved()\n"); @@ -1097,6 +1097,9 @@ void __init e820__reserve_resources(void) res = memblock_alloc(sizeof(*res) * e820_table->nr_entries, SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + sizeof(*res) * e820_table->nr_entries); e820_res = res; for (i = 0; i < e820_table->nr_entries; i++) { diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 13af08827eef..4bf46575568a 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -106,22 +106,22 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size, void *ptr; if (!node_online(node) || !NODE_DATA(node)) { - ptr = memblock_alloc_from_nopanic(size, align, goal); + ptr = memblock_alloc_from(size, align, goal); pr_info("cpu %d has no node %d or node-local memory\n", cpu, node); pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n", cpu, size, __pa(ptr)); } else { - ptr = memblock_alloc_try_nid_nopanic(size, align, goal, - MEMBLOCK_ALLOC_ACCESSIBLE, - node); + ptr = memblock_alloc_try_nid(size, align, goal, + MEMBLOCK_ALLOC_ACCESSIBLE, + node); pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n", cpu, size, node, __pa(ptr)); } return ptr; #else - return memblock_alloc_from_nopanic(size, align, goal); + return memblock_alloc_from(size, align, goal); #endif } diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 462fde83b515..8dc0fc0b1382 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -24,14 +24,16 @@ extern struct range pfn_mapped[E820_MAX_ENTRIES]; static p4d_t tmp_p4d_table[MAX_PTRS_PER_P4D] __initdata __aligned(PAGE_SIZE); -static __init void *early_alloc(size_t size, int nid, bool panic) +static __init void *early_alloc(size_t size, int nid, bool should_panic) { - if (panic) - return memblock_alloc_try_nid(size, size, - __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid); - else - return memblock_alloc_try_nid_nopanic(size, size, + void *ptr = memblock_alloc_try_nid(size, size, __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid); + + if (!ptr && should_panic) + panic("%pS: Failed to allocate page, nid=%d from=%lx\n", + (void *)_RET_IP_, nid, __pa(MAX_DMA_ADDRESS)); + + return ptr; } static void __init kasan_populate_pmd(pmd_t *pmd, unsigned long addr, diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 12c1b7a83ed7..dfb6c4df639a 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -195,15 +195,11 @@ static void __init alloc_node_data(int nid) * Allocate node data. Try node-local memory and then any node. * Never allocate in DMA zone. */ - nd_pa = memblock_phys_alloc_nid(nd_size, SMP_CACHE_BYTES, nid); + nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); if (!nd_pa) { - nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES, - MEMBLOCK_ALLOC_ACCESSIBLE); - if (!nd_pa) { - pr_err("Cannot find %zu bytes in any node (initial node: %d)\n", - nd_size, nid); - return; - } + pr_err("Cannot find %zu bytes in any node (initial node: %d)\n", + nd_size, nid); + return; } nd = __va(nd_pa); diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c index b4ab779f1d47..ac9e7bf49b66 100644 --- a/arch/x86/platform/olpc/olpc_dt.c +++ b/arch/x86/platform/olpc/olpc_dt.c @@ -141,6 +141,9 @@ void * __init prom_early_alloc(unsigned long size) * wasted bootmem) and hand off chunks of it to callers. */ res = memblock_alloc(chunk_size, SMP_CACHE_BYTES); + if (!res) + panic("%s: Failed to allocate %zu bytes\n", __func__, + chunk_size); BUG_ON(!res); prom_early_allocated += chunk_size; memset(res, 0, chunk_size); diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 055e37e43541..95ce9b5be411 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -181,8 +181,15 @@ static void p2m_init_identity(unsigned long *p2m, unsigned long pfn) static void * __ref alloc_p2m_page(void) { - if (unlikely(!slab_is_available())) - return memblock_alloc(PAGE_SIZE, PAGE_SIZE); + if (unlikely(!slab_is_available())) { + void *ptr = memblock_alloc(PAGE_SIZE, PAGE_SIZE); + + if (!ptr) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, PAGE_SIZE, PAGE_SIZE); + + return ptr; + } return (void *)__get_free_page(GFP_KERNEL); } diff --git a/arch/xtensa/mm/kasan_init.c b/arch/xtensa/mm/kasan_init.c index 1734cda6bc4a..af7152560bc3 100644 --- a/arch/xtensa/mm/kasan_init.c +++ b/arch/xtensa/mm/kasan_init.c @@ -45,6 +45,10 @@ static void __init populate(void *start, void *end) pmd_t *pmd = pmd_offset(pgd, vaddr); pte_t *pte = memblock_alloc(n_pages * sizeof(pte_t), PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=0x%lx\n", + __func__, n_pages * sizeof(pte_t), PAGE_SIZE); + pr_debug("%s: %p - %p\n", __func__, start, end); for (i = j = 0; i < n_pmds; ++i) { @@ -52,8 +56,10 @@ static void __init populate(void *start, void *end) for (k = 0; k < PTRS_PER_PTE; ++k, ++j) { phys_addr_t phys = - memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, - MEMBLOCK_ALLOC_ANYWHERE); + memblock_phys_alloc(PAGE_SIZE, PAGE_SIZE); + + if (!phys) + panic("Failed to allocate page table page\n"); set_pte(pte + j, pfn_pte(PHYS_PFN(phys), PAGE_KERNEL)); } diff --git a/arch/xtensa/mm/mmu.c b/arch/xtensa/mm/mmu.c index a4dcfd39bc5c..2fb7d1172228 100644 --- a/arch/xtensa/mm/mmu.c +++ b/arch/xtensa/mm/mmu.c @@ -32,6 +32,9 @@ static void * __init init_pmd(unsigned long vaddr, unsigned long n_pages) __func__, vaddr, n_pages); pte = memblock_alloc_low(n_pages * sizeof(pte_t), PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %zu bytes align=%lx\n", + __func__, n_pages * sizeof(pte_t), PAGE_SIZE); for (i = 0; i < n_pages; ++i) pte_clear(NULL, 0, pte + i); |