> Mapped file pages get two rounds on the LRU list, so once the VM > starts scanning, it has to go through all of them twice and can only > reclaim them on the second encounter. This can be fixed gracefully based on Rik's refault-distance patch :) With the distance info we can safely drop the use-once mapped file pages. 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>