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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 12:08:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-20 12:08:51 -0800 |
| commit | 8bd6964cbd177de731b4b3ff624ef7fb6eaca15c (patch) | |
| tree | 00c1d97b86ac0d22efd2a9218577f9348ff3379f /arch/x86/mm | |
| parent | 2bb2c5e235e8459de5761f89bc2bcb2efd2b6b45 (diff) | |
| parent | f3d815cb854b2f6262ade56a4d91a1ed3f1e50c4 (diff) | |
| download | linux-8bd6964cbd177de731b4b3ff624ef7fb6eaca15c.tar.bz2 | |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm changes from Ingo Molnar:
"A cleanup, a fix and ASLR support for hugetlb mappings"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/numa: Fix 32-bit kernel NUMA boot
x86/mm: Implement ASLR for hugetlb mappings
x86/mm: Unify pte_to_pgoff() and pgoff_to_pte() helpers
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/hugetlbpage.c | 9 | ||||
| -rw-r--r-- | arch/x86/mm/numa.c | 10 |
2 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 9d980d88b747..8c9f647ff9e1 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -87,9 +87,7 @@ int pmd_huge_support(void) } #endif -/* x86_64 also uses this file */ - -#ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA +#ifdef CONFIG_HUGETLB_PAGE static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) @@ -99,7 +97,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, info.flags = 0; info.length = len; - info.low_limit = TASK_UNMAPPED_BASE; + info.low_limit = current->mm->mmap_legacy_base; info.high_limit = TASK_SIZE; info.align_mask = PAGE_MASK & ~huge_page_mask(h); info.align_offset = 0; @@ -172,8 +170,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return hugetlb_get_unmapped_area_topdown(file, addr, len, pgoff, flags); } - -#endif /*HAVE_ARCH_HUGETLB_UNMAPPED_AREA*/ +#endif /* CONFIG_HUGETLB_PAGE */ #ifdef CONFIG_X86_64 static __init int setup_hugepagesz(char *opt) diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 24aec58d6afd..c85da7bb6b60 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -211,9 +211,13 @@ static void __init setup_node_data(int nid, u64 start, u64 end) */ nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid); if (!nd_pa) { - pr_err("Cannot find %zu bytes in node %d\n", - nd_size, nid); - return; + nd_pa = __memblock_alloc_base(nd_size, SMP_CACHE_BYTES, + MEMBLOCK_ALLOC_ACCESSIBLE); + if (!nd_pa) { + pr_err("Cannot find %zu bytes in node %d\n", + nd_size, nid); + return; + } } nd = __va(nd_pa); |