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authorLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:40:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 08:40:35 -0700
commitf9b3bcfbc43ac80f2019a5093ad9a1e624e611b1 (patch)
tree9db502a626fca6213019bbff3e39ff37e11d853d /arch/x86/mm/pageattr.c
parent01c7cd0ef5d98fdd007d8a04c9f834bead6e5ee1 (diff)
parent13f72756da86f155898e2c2022f7b3a106c3742e (diff)
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: "Misc smaller changes all over the map" * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/iommu/dmar: Remove warning for HPET scope type x86/mm/gart: Drop unnecessary check x86/mm/hotplug: Put kernel_physical_mapping_remove() declaration in CONFIG_MEMORY_HOTREMOVE x86/mm/fixmap: Remove unused FIX_CYCLONE_TIMER x86/mm/numa: Simplify some bit mangling x86/mm: Re-enable DEBUG_TLBFLUSH for X86_32 x86/mm/cpa: Cleanup split_large_page() and its callee x86: Drop always empty .text..page_aligned section
Diffstat (limited to 'arch/x86/mm/pageattr.c')
-rw-r--r--arch/x86/mm/pageattr.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index fb4e73ec24d8..bb32480c2d71 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -542,13 +542,14 @@ out_unlock:
return do_split;
}
-int __split_large_page(pte_t *kpte, unsigned long address, pte_t *pbase)
+static int
+__split_large_page(pte_t *kpte, unsigned long address, struct page *base)
{
+ pte_t *pbase = (pte_t *)page_address(base);
unsigned long pfn, pfninc = 1;
unsigned int i, level;
pte_t *tmp;
pgprot_t ref_prot;
- struct page *base = virt_to_page(pbase);
spin_lock(&pgd_lock);
/*
@@ -633,7 +634,6 @@ int __split_large_page(pte_t *kpte, unsigned long address, pte_t *pbase)
static int split_large_page(pte_t *kpte, unsigned long address)
{
- pte_t *pbase;
struct page *base;
if (!debug_pagealloc)
@@ -644,8 +644,7 @@ static int split_large_page(pte_t *kpte, unsigned long address)
if (!base)
return -ENOMEM;
- pbase = (pte_t *)page_address(base);
- if (__split_large_page(kpte, address, pbase))
+ if (__split_large_page(kpte, address, base))
__free_page(base);
return 0;