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authorNick Piggin <npiggin@suse.de>2008-10-18 20:26:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 08:52:32 -0700
commita978d6f521063514812a7094dbe5036e056e4de3 (patch)
treeaaaed7caff558d8f9676f8cfd16b50ae6ca99573 /mm/swapfile.c
parentf45840b5c128445da70e7ec33adc47b4a12bdaf4 (diff)
mm: unlockless reclaim
unlock_page is fairly expensive. It can be avoided in page reclaim success path. By definition if we have any other references to the page it would be a bug anyway. Signed-off-by: Nick Piggin <npiggin@suse.de> Reviewed-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/swapfile.c')
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