On Wed, 26 Jun 2013 13:39:23 +0100 Mel Gorman <mgorman@xxxxxxx> wrote: > Page reclaim at priority 0 will scan the entire LRU as priority 0 is > considered to be a near OOM condition. Direct reclaim can reach this > priority while still making reclaim progress. This patch avoids > reclaiming at priority 0 unless no reclaim progress was made and > the page allocator would consider firing the OOM killer. The > user-visible impact is that direct reclaim will not easily reach > priority 0 and start swapping prematurely. That's a bandaid. Priority 0 should be a pretty darn rare condition. How often is it occurring, and do you know why? -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>