The patch titled
memcg: reclaim shouldn't change zone->recent_rotated statistics
has been added to the -mm tree. Its filename is
memcg-reclaim-shouldnt-change-zone-recent_rotated-statistics.patch
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------------------------------------------------------
Subject: memcg: reclaim shouldn't change zone->recent_rotated statistics
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxx>
Acked-by: Rik van Riel <riel@xxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/vmscan.c~memcg-reclaim-shouldnt-change-zone-recent_rotated-statistics mm/vmscan.c
--- a/mm/vmscan.c~memcg-reclaim-shouldnt-change-zone-recent_rotated-statistics
+++ a/mm/vmscan.c
@@ -1292,7 +1292,8 @@ static void shrink_active_list(unsigned
* 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.
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
linux-next.patch
vmscan-evict-streaming-io-first.patch
mm-report-the-pagesize-backing-a-vma-in-proc-pid-smaps.patch
mm-report-the-mmu-pagesize-in-proc-pid-smaps.patch
oom-fix-zone_scan_mutex-name.patch
mm-get-rid-of-pagevec_release_nonlru.patch
cleanup-get-rid-of-ifdef-config_migration.patch
mm-more-likely-reclaim-madv_sequential-mappings.patch
mm-make-page_lock_anon_vma-static.patch
memcg-reclaim-shouldnt-change-zone-recent_rotated-statistics.patch
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