diff options
| author |   KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-01-06 14:39:42 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:04 -0800 |
| commit | 077cbc5864cd9188fa4c4e181e48ff58317e6400 (patch) | |
| tree | bcfcdecce7427801451fb8d6fcf5e7648bd2bfb3 /mm | |
| parent | mm: optimize get_scan_ratio for no swap (diff) | |
| download | linux-dev-077cbc5864cd9188fa4c4e181e48ff58317e6400.tar.xz linux-dev-077cbc5864cd9188fa4c4e181e48ff58317e6400.zip | |
memcg: reclaim shouldn't change zone->recent_rotated statistics
memcg reclaim shouldn't change zone->recent_rotated statistics. If
memcgroup reclaim changes zone statistics, global reclaim can get a bit
confused.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@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')
| -rw-r--r-- | mm/vmscan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index d500b906746c..da7c3a2304a7 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1246,7 +1246,8 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, * This helps balance scan pressure between file and anonymous * pages in get_scan_ratio. */ - zone->recent_rotated[!!file] += pgmoved; + if (scan_global_lru(sc)) + zone->recent_rotated[!!file] += pgmoved; /* * Move the pages to the [file or anon] inactive list. |