> Each node has zones, so a pagevec[MAX_NR_ZONES] doesn't work here. It's actually pagevec[MAX_NR_ZONES][nr_cpus], where the CPU dimension selects a NUMA node. So it looks like a worthy optimization. Thanks, Fengguang -- 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>