diff options
| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2012-12-12 13:52:36 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-12 17:38:35 -0800 |
| commit | 816422ad76474fed8052b6f7b905a054d082e59a (patch) | |
| tree | 9918f68e9c5f93be98940b4b7b478e1637547926 /mm | |
| parent | mm/hugetlb.c: fix warning on freeing hwpoisoned hugepage (diff) | |
| download | linux-dev-816422ad76474fed8052b6f7b905a054d082e59a.tar.xz linux-dev-816422ad76474fed8052b6f7b905a054d082e59a.zip | |
asm-generic, mm: pgtable: consolidate zero page helpers
We have two different implementation of is_zero_pfn() and my_zero_pfn()
helpers: for architectures with and without zero page coloring.
Let's consolidate them in <asm-generic/pgtable.h>.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c index f9a4b0cb8623..3f680e7c7645 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -717,13 +717,6 @@ static inline bool is_cow_mapping(vm_flags_t flags) return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; } -#ifndef is_zero_pfn -static inline int is_zero_pfn(unsigned long pfn) -{ - return pfn == zero_pfn; -} -#endif - /* * vm_normal_page -- This function gets the "struct page" associated with a pte. * |