On Sun, Jan 08, 2012 at 03:05:03PM +0800, Hillf Danton wrote: > The check for under memory pressure is corrected, then lumpy reclaim or > reclaim/compaction could be avoided either when for order-O reclaim or > when free pages are already low enough. > No explanation of problem, how this patch fixes it or what the impact is. At a glance, this will have the impact of using sync reclaim at low reclaim priorities. This is unexpected so needs much better explanation. -- Mel Gorman SUSE Labs -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>