On Wed, Oct 13, 2010 at 03:28:14PM +0900, KOSAKI Motohiro wrote: > Currently, cpu hotplug updates pcp->stat_threashold, but memory > hotplug doesn't. there is no reason. > > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> Again, this patch seems reasonable but unrelated to Shaohua's problem except in the specific case where a memory hotplug operations changes the point per-cpu drift becomes a problem. Acked-by: Mel Gorman <mel@xxxxxxxxx> -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>