On Fri, Apr 18, 2014 at 03:50:34PM +0100, Mel Gorman wrote: > A node/zone index is used to check if pages are compatible for merging > but this happens unconditionally even if the buddy page is not free. Defer > the calculation as long as possible. Ideally we would check the zone boundary > but nodes can overlap. > > Signed-off-by: Mel Gorman <mgorman@xxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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>