On Wed, Apr 11, 2012 at 1:26 PM, Rik van Riel <riel@xxxxxxxxxx> wrote: > On 04/11/2012 12:38 PM, Mel Gorman wrote: >> >> This patch stops reclaim/compaction entering sync reclaim as this was only >> intended for lumpy reclaim and an oversight. Page migration has its own >> logic for stalling on writeback pages if necessary and memory compaction >> is already using it. >> >> Waiting on page writeback is bad for a number of reasons but the primary >> one is that waiting on writeback to a slow device like USB can take a >> considerable length of time. Page reclaim instead uses >> wait_iff_congested() >> to throttle if too many dirty pages are being scanned. >> >> Signed-off-by: Mel Gorman<mgorman@xxxxxxx> > > > Acked-by: Rik van Riel <riel@xxxxxxxxxx> Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> -- 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>