On Wed, Jun 26, 2013 at 03:38:04PM +0100, Mel Gorman wrote: > This patch favours moving tasks towards the preferred NUMA node when > it has just been selected. Ideally this is self-reinforcing as the > longer the the task runs on that node, the more faults it should incur > causing task_numa_placement to keep the task running on that node. In > reality a big weakness is that the nodes CPUs can be overloaded and it > would be more effficient to queue tasks on an idle node and migrate to > the new node. This would require additional smarts in the balancer so > for now the balancer will simply prefer to place the task on the > preferred node for a tunable number of PTE scans. This changelog fails to mention why you're adding the settle stuff in this patch. -- 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>