2014-09-17 13:26+0300, Gleb Natapov: > For async_pf_execute() you do not need to even retry. Next guest's page fault > will retry it for you. Wouldn't that be a waste of vmentries? The guest might be able to handle interrupts while we are waiting, so if we used async-io-done notifier, this could work without CPU spinning. (Probably with added latency.) -- 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>