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| author | David Howells <dhowells@redhat.com> | 2008-02-21 16:12:45 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-21 16:40:15 -0800 |
| commit | a62f735cbb1a0937ab6a9196dadf752694ef0b7f (patch) | |
| tree | 4526f9b2a94550784c0005dbb239ef95db41a3c1 /include | |
| parent | 5e45bb2ebac937f2eb62138b5d734f3ac7ce8e2f (diff) | |
| download | linux-a62f735cbb1a0937ab6a9196dadf752694ef0b7f.tar.gz linux-a62f735cbb1a0937ab6a9196dadf752694ef0b7f.tar.bz2 linux-a62f735cbb1a0937ab6a9196dadf752694ef0b7f.zip | |
MM: Fix macro argument substitution in PageHead() and PageTail()
Fix macro argument substitution in PageHead() and PageTail() - 'page' should
have brackets surrounding it (commit 6d7779538f765963ced45a3fa4bed7ba8d2c277d).
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/page-flags.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index bbad43fb8181..b5b30f1c1e59 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -266,7 +266,7 @@ static inline void SetPageUptodate(struct page *page) #define PG_head_tail_mask ((1L << PG_compound) | (1L << PG_reclaim)) -#define PageTail(page) ((page->flags & PG_head_tail_mask) \ +#define PageTail(page) (((page)->flags & PG_head_tail_mask) \ == PG_head_tail_mask) static inline void __SetPageTail(struct page *page) @@ -279,7 +279,7 @@ static inline void __ClearPageTail(struct page *page) page->flags &= ~PG_head_tail_mask; } -#define PageHead(page) ((page->flags & PG_head_tail_mask) \ +#define PageHead(page) (((page)->flags & PG_head_tail_mask) \ == (1L << PG_compound)) #define __SetPageHead(page) __SetPageCompound(page) #define __ClearPageHead(page) __ClearPageCompound(page) |