On 06/28/2012 09:52 AM, David Rientjes wrote: > On Wed, 27 Jun 2012, Rik van Riel wrote: > >>> > > I doubt compaction try to migrate continuously although we have no free >>> > > memory. >>> > > Could you apply this patch and retest? >>> > > >>> > > https://lkml.org/lkml/2012/6/21/30 >> > > Not sure if Jim is using memcg; if not, then this won't be helpful. > It doesn't related to memcg. if compaction_alloc can't find suitable migration target, it returns NULL. Then, migrate_pages should be exit. -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>