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| author |   KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2010-08-09 17:19:51 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:02 -0700 |
| commit | 58c37f6e0dfaaab85a3c11fcbf24451dfe70c721 (patch) | |
| tree | f1d6f6299059e5aa5fc3668ef9f561605491deb3 /mm/memory.c | |
| parent | vmscan: avoid subtraction of unsigned types (diff) | |
| download | linux-dev-58c37f6e0dfaaab85a3c11fcbf24451dfe70c721.tar.xz linux-dev-58c37f6e0dfaaab85a3c11fcbf24451dfe70c721.zip | |
vmscan: protect reading of reclaim_stat with lru_lock
Rik van Riel pointed out reading reclaim_stat should be protected
lru_lock, otherwise vmscan might sweep 2x much pages.
This fault was introduced by
commit 4f98a2fee8acdb4ac84545df98cccecfd130f8db
Author: Rik van Riel <riel@redhat.com>
Date: Sat Oct 18 20:26:32 2008 -0700
vmscan: split LRU lists into anon & file sets
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions