lkml.org 
[lkml]   [2008]   [Jul]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[-mm][PATCH][resend] split-lru-memcg page reclaim active anon fix v2
Under memcg, active anon tend not to go to inactive anon under split-lru vmscan.
Because this check was lacked in split-lru.
Without this, we see OOM under memcg too often.

This patch is a fix agaisnt
vmscan-second-chance-replacement-for-anonymous-pages.patch


Changelog: v1 -> v2:
- clean up and avoid adding "else".

Signed-off-by:KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>

mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.26-rc8-mm1/mm/vmscan.c
===================================================================
--- linux-2.6.26-rc8-mm1.orig/mm/vmscan.c
+++ linux-2.6.26-rc8-mm1/mm/vmscan.c
@@ -1499,7 +1499,7 @@ static unsigned long shrink_zone(int pri
* Even if we did not try to evict anon pages at all, we want to
* rebalance the anon lru active/inactive ratio.
*/
- if (scan_global_lru(sc) && inactive_anon_is_low(zone))
+ if (!scan_global_lru(sc) || inactive_anon_is_low(zone))
shrink_active_list(SWAP_CLUSTER_MAX, zone, sc, priority, 0);

throttle_vm_writeout(sc->gfp_mask);


\
 
 \ /
  Last update: 2008-07-14 10:01    [W:0.045 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site