On Thu, 24 Mar 2011 11:11:46 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> wrote: > Subject: [PATCH] vmscan: remove all_unreclaimable check from direct reclaim path completely zone.all_unreclaimable is there to prevent reclaim from wasting CPU cycles scanning a zone which has no reclaimable pages. When originally implemented it did this very well. That you guys keep breaking it, or don't feel like improving it is not a reason to remove it! If the code is unneeded and the kernel now reliably solves this problem by other means then this should have been fully explained in the changelog, but it was not even mentioned. -- 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 internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>