One additional measure that may be useful is to make kswapd prefer one specific processor on a socket. Two benefits arise from that: 1. Better use of cpu caches and therefore higher speed, less serialization. 2. Reduction of the disturbances to one processor. -- 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>