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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2012-12-12 13:52:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-12 17:38:35 -0800
commit816422ad76474fed8052b6f7b905a054d082e59a (patch)
tree9918f68e9c5f93be98940b4b7b478e1637547926 /mm/memory.c
parent56f2fb147659e05b1e87b99791bf44b988d38545 (diff)
downloadlinux-816422ad76474fed8052b6f7b905a054d082e59a.tar.gz
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/memory.c')
-rw-r--r--mm/memory.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/memory.c b/mm/memory.c
index f9a4b0cb862..3f680e7c764 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.
*