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-rw-r--r--arch/x86/kernel/acpi/boot.c3
-rw-r--r--arch/x86/kernel/apic/io_apic.c5
-rw-r--r--arch/x86/kernel/e820.c3
-rw-r--r--arch/x86/platform/olpc/olpc_dt.c3
-rw-r--r--arch/x86/xen/p2m.c11
5 files changed, 23 insertions, 2 deletions
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 5203ee4e6435..6831c8437951 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1092,6 +1092,9 @@ 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/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);
}