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| author |   Huang Shijie <shijie8@gmail.com> | 2009-12-14 17:59:51 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-15 08:53:22 -0800 |
| commit | f096e59e844ba3c5d5a7b54b3deafd2aeeebf921 (patch) | |
| tree | 8d48bf8456ba98a1f9fe372b7550b2996162da3b /include/linux/mm.h | |
| parent | mm: uncached vma support with writenotify (diff) | |
| download | linux-dev-f096e59e844ba3c5d5a7b54b3deafd2aeeebf921.tar.xz linux-dev-f096e59e844ba3c5d5a7b54b3deafd2aeeebf921.zip | |
include/linux/mm.h: remove unneeded ifdef
The check code for CONFIG_SWAP is redundant, because there is a
non-CONFIG_SWAP version for PageSwapCache() which just returns 0.
Signed-off-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 1202cd3121e1..52b264563cd9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -643,12 +643,9 @@ static inline struct address_space *page_mapping(struct page *page) struct address_space *mapping = page->mapping; VM_BUG_ON(PageSlab(page)); -#ifdef CONFIG_SWAP if (unlikely(PageSwapCache(page))) mapping = &swapper_space; - else -#endif - if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON)) + else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON)) mapping = NULL; return mapping; } |