On Thu, 2011-07-21 at 17:28 +0100, Mel Gorman wrote: > Assuming that flusher threads will always write back dirty pages promptly > then it is always faster for reclaimers to wait for flushers. This patch > prevents kswapd writing back any filesystem pages. That is a somewhat sort changelog for such a big assumption ;-) I think it can use a few extra words to explain the need to clean pages from @zone vs writeback picks whatever fits best on disk and how that works out wrt the assumption. What requirements does this place on writeback and how does it meet them. -- 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