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| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-06-16 15:32:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 19:47:35 -0700 |
| commit | 092cead6175bb1b3d3078a34ba71c939d526c70b (patch) | |
| tree | 84dfeda6c7ca85b6d68710c824e1ce59db16cc3b /mm/page_alloc.c | |
| parent | b6e68bc1baed9b6972a250aba66b8c5276cf6fb1 (diff) | |
| download | blackbird-op-linux-092cead6175bb1b3d3078a34ba71c939d526c70b.tar.gz blackbird-op-linux-092cead6175bb1b3d3078a34ba71c939d526c70b.zip | |
page allocator: move free_page_mlock() to page_alloc.c
Currently, free_page_mlock() is only called from page_alloc.c. Thus, we
can move it to page_alloc.c.
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0c9f406e3c44..5dac5d8cb148 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -493,6 +493,22 @@ static inline void __free_one_page(struct page *page, zone->free_area[order].nr_free++; } +#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT +/* + * free_page_mlock() -- clean up attempts to free and mlocked() page. + * Page should not be on lru, so no need to fix that up. + * free_pages_check() will verify... + */ +static inline void free_page_mlock(struct page *page) +{ + __ClearPageMlocked(page); + __dec_zone_page_state(page, NR_MLOCK); + __count_vm_event(UNEVICTABLE_MLOCKFREED); +} +#else +static void free_page_mlock(struct page *page) { } +#endif + static inline int free_pages_check(struct page *page) { if (unlikely(page_mapcount(page) | |
