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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 15:45:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 15:45:30 -0700
commitd22fff81418edc92be534cad8d59da914049bf69 (patch)
tree96b22b20bbc789a76e744bcfc11a7f0854b62ece /mm
parent986b37c0ae4f0a3f93d8974d03a9cbc1502dd377 (diff)
parenteaeb8e76cd5751e805f6e4a3fcec91d283e3b0c2 (diff)
downloadlinux-d22fff81418edc92be534cad8d59da914049bf69.tar.bz2
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar: - Extend the memmap= boot parameter syntax to allow the redeclaration and dropping of existing ranges, and to support all e820 range types (Jan H. Schönherr) - Improve the W+X boot time security checks to remove false positive warnings on Xen (Jan Beulich) - Support booting as Xen PVH guest (Juergen Gross) - Improved 5-level paging (LA57) support, in particular it's possible now to have a single kernel image for both 4-level and 5-level hardware (Kirill A. Shutemov) - AMD hardware RAM encryption support (SME/SEV) fixes (Tom Lendacky) - Preparatory commits for hardware-encrypted RAM support on Intel CPUs. (Kirill A. Shutemov) - Improved Intel-MID support (Andy Shevchenko) - Show EFI page tables in page_tables debug files (Andy Lutomirski) - ... plus misc fixes and smaller cleanups * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits) x86/cpu/tme: Fix spelling: "configuation" -> "configuration" x86/boot: Fix SEV boot failure from change to __PHYSICAL_MASK_SHIFT x86/mm: Update comment in detect_tme() regarding x86_phys_bits x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic x86/mm: Remove pointless checks in vmalloc_fault x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms ACPI, x86/boot: Introduce the ->reduced_hw_early_init() ACPI callback ACPI, x86/boot: Split out acpi_generic_reduce_hw_init() and export x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf x86/pconfig: Detect PCONFIG targets x86/tme: Detect if TME and MKTME is activated by BIOS x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G x86/boot/compressed/64: Use page table in trampoline memory x86/boot/compressed/64: Use stack from trampoline memory x86/boot/compressed/64: Make sure we have a 32-bit code segment x86/mm: Do not use paravirtualized calls in native_set_p4d() kdump, vmcoreinfo: Export pgtable_l5_enabled value x86/boot/compressed/64: Prepare new top-level page table for trampoline x86/boot/compressed/64: Set up trampoline memory x86/boot/compressed/64: Save and restore trampoline memory ...
Diffstat (limited to 'mm')
-rw-r--r--mm/kasan/kasan_init.c2
-rw-r--r--mm/sparse.c22
-rw-r--r--mm/zsmalloc.c13
3 files changed, 8 insertions, 29 deletions
diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
index 554e4c0f23a2..f436246ccc79 100644
--- a/mm/kasan/kasan_init.c
+++ b/mm/kasan/kasan_init.c
@@ -31,7 +31,7 @@
unsigned char kasan_zero_page[PAGE_SIZE] __page_aligned_bss;
#if CONFIG_PGTABLE_LEVELS > 4
-p4d_t kasan_zero_p4d[PTRS_PER_P4D] __page_aligned_bss;
+p4d_t kasan_zero_p4d[MAX_PTRS_PER_P4D] __page_aligned_bss;
#endif
#if CONFIG_PGTABLE_LEVELS > 3
pud_t kasan_zero_pud[PTRS_PER_PUD] __page_aligned_bss;
diff --git a/mm/sparse.c b/mm/sparse.c
index 7af5e7a92528..79b26f98d793 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -236,28 +236,6 @@ void __init memory_present(int nid, unsigned long start, unsigned long end)
}
/*
- * Only used by the i386 NUMA architecures, but relatively
- * generic code.
- */
-unsigned long __init node_memmap_size_bytes(int nid, unsigned long start_pfn,
- unsigned long end_pfn)
-{
- unsigned long pfn;
- unsigned long nr_pages = 0;
-
- mminit_validate_memmodel_limits(&start_pfn, &end_pfn);
- for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTION) {
- if (nid != early_pfn_to_nid(pfn))
- continue;
-
- if (pfn_present(pfn))
- nr_pages += PAGES_PER_SECTION;
- }
-
- return nr_pages * sizeof(struct page);
-}
-
-/*
* Subtle, we encode the real pfn into the mem_map such that
* the identity pfn - section_mem_map will return the actual
* physical page frame number.
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index c3013505c305..b7f61cd1c709 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -84,18 +84,19 @@
* This is made more complicated by various memory models and PAE.
*/
-#ifndef MAX_PHYSMEM_BITS
-#ifdef CONFIG_HIGHMEM64G
-#define MAX_PHYSMEM_BITS 36
-#else /* !CONFIG_HIGHMEM64G */
+#ifndef MAX_POSSIBLE_PHYSMEM_BITS
+#ifdef MAX_PHYSMEM_BITS
+#define MAX_POSSIBLE_PHYSMEM_BITS MAX_PHYSMEM_BITS
+#else
/*
* If this definition of MAX_PHYSMEM_BITS is used, OBJ_INDEX_BITS will just
* be PAGE_SHIFT
*/
-#define MAX_PHYSMEM_BITS BITS_PER_LONG
+#define MAX_POSSIBLE_PHYSMEM_BITS BITS_PER_LONG
#endif
#endif
-#define _PFN_BITS (MAX_PHYSMEM_BITS - PAGE_SHIFT)
+
+#define _PFN_BITS (MAX_POSSIBLE_PHYSMEM_BITS - PAGE_SHIFT)
/*
* Memory for allocating for handle keeps object position by