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authorMinChan Kim <minchan.kim@gmail.com>2009-06-16 15:32:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 19:47:41 -0700
commit69c854817566db82c362797b4a6521d0b00fe1d8 (patch)
treeb4873e257212659ca0eb224151971e029ce3875d /include
parent35282a2de4e5e4e173ab61aa9d7015886021a821 (diff)
vmscan: prevent shrinking of active anon lru list in case of no swap space V3
shrink_zone() can deactivate active anon pages even if we don't have a swap device. Many embedded products don't have a swap device. So the deactivation of anon pages is unnecessary. This patch prevents unnecessary deactivation of anon lru pages. But, it don't prevent aging of anon pages to swap out. Signed-off-by: Minchan Kim <minchan.kim@gmail.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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