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| author | Matthew Wilcox <willy@linux.intel.com> | 2015-09-09 00:58:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-09 01:35:28 +0300 |
| commit | fc43704437ebe40f642ac53f7ee73661fe74e6b8 (patch) | |
| tree | d45a977cf28e2c463b97e22a26996e55ff7d6404 /mm/huge_memory.c | |
| parent | b96375f74a6d4f39fc6cbdc0bce5175115c7f96f (diff) | |
| download | linux-fc43704437ebe40f642ac53f7ee73661fe74e6b8.tar.xz | |
mm: export various functions for the benefit of DAX
To use the huge zero page in DAX, we need these functions exported.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Cc: Hillf Danton <dhillf@gmail.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 9057241d5722..c426a89e025c 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -173,12 +173,7 @@ fail: static atomic_t huge_zero_refcount; struct page *huge_zero_page __read_mostly; -static inline bool is_huge_zero_pmd(pmd_t pmd) -{ - return is_huge_zero_page(pmd_page(pmd)); -} - -static struct page *get_huge_zero_page(void) +struct page *get_huge_zero_page(void) { struct page *zero_page; retry: |