On Wed, 31 Mar 2010, Bob Liu wrote: > > The intended semantic is the preservation of the relative position of the > > page to the beginning of the node set. If you do not want to preserve the > > relative position then just move portions of the nodes around. > > > > Hmm., > Sorry I still haven't understand your mention :-) > > My concern was why move the pages in the intersect nodes.I think skipping > this migration we can also satisfy the user's request. > In the above semantic, I haven't got the result. No skipping does *not* satisfy the users request since the relative position of the page from the beginning of the nodesset is not preserved. You end up with a mess without this requirement. F.e. if you use page migration (or cpuset automigration) to shift an application running on 10 nodes up by two nodes to make a hole that would allow you to run another application on the lower nodes. Applications place pages intentionally on certain nodes to be able to manage memory distances. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>