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| author | Qi Yong <qiyong@fc-cn.com> | 2008-02-04 22:29:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:19 -0800 |
| commit | ae1276b9349a2fd9c3afb4651e25a77ac03299d9 (patch) | |
| tree | e3bef5a303f308e398caf53ac098b1d4a2a8061f /mm/internal.h | |
| parent | 920c7a5d0c94b8ce740f1d76fa06422f2a95a757 (diff) | |
| download | lwn-ae1276b9349a2fd9c3afb4651e25a77ac03299d9.tar.gz lwn-ae1276b9349a2fd9c3afb4651e25a77ac03299d9.zip | |
set_page_refcounted() VM_BUG_ON fix
The current PageTail semantic is that a PageTail page is first a
PageCompound page. So remove the redundant PageCompound test in
set_page_refcounted().
Signed-off-by: Qi Yong <qiyong@fc-cn.com>
Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/internal.h b/mm/internal.h index 1e34d2462a48..5a9a6200e034 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -24,7 +24,7 @@ static inline void set_page_count(struct page *page, int v) */ static inline void set_page_refcounted(struct page *page) { - VM_BUG_ON(PageCompound(page) && PageTail(page)); + VM_BUG_ON(PageTail(page)); VM_BUG_ON(atomic_read(&page->_count)); set_page_count(page, 1); } |