On Friday 13 November 2009, Mel Gorman wrote: > If reclaim fails to make sufficient progress, the priority is raised. > Once the priority is higher, kswapd starts waiting on congestion. > However, if the zone is below the min watermark then kswapd needs to > continue working without delay as there is a danger of an increased rate > of GFP_ATOMIC allocation failure. > > This patch changes the conditions under which kswapd waits on > congestion by only going to sleep if the min watermarks are being met. > > This patch replaces > vmscan-take-order-into-consideration-when-deciding-if-kswapd-is-in-troub >le.patch . > > [mel@xxxxxxxxx: Add stats to track how relevant the logic is] > From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> For this to work with git-am, the From: line has to be _above_ the patch description (must be the first line of the mail even). AFAIK at least. > Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> > Signed-off-by: Mel Gorman <mel@xxxxxxxxx> Cheers, FJP -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
