On 12/05/2010 12:29 PM, Minchan Kim wrote:
Golbal page reclaim moves reclaimalbe pages into inactive list to reclaim asap. This patch apply the rule in memcg. It can help to prevent unnecessary working page eviction of memcg.
The patch is right, but the description is wrong. The rotate_reclaimable_page function moves just written out pages, which the VM wanted to reclaim, to the end of the inactive list. That way the VM will find those pages first next time it needs to free memory.
Cc: Balbir Singh<balbir@xxxxxxxxxxxxxxxxxx> Cc: KAMEZAWA Hiroyuki<kamezawa.hiroyu@xxxxxxxxxxxxxx> Cc: Rik van Riel<riel@xxxxxxxxxx> Cc: KOSAKI Motohiro<kosaki.motohiro@xxxxxxxxxxxxxx> Signed-off-by: Minchan Kim<minchan.kim@xxxxxxxxx>
Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>