On Wed, Jul 17, 2013 at 04:20:27AM -0400, Hush Bensen wrote: > These works should be done in slow path, does it mean fast path is not > faster any more? The changes are in zone_reclaim(), I don't think zone_reclaim shall be considered a fast path, that is intended to reclaim memory. The fast path is when the free pages are above the low wmark and we don't need to call zone_reclaim. Thanks, Andrea -- 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>