> It is possible to remove the special pagefault oom handler by simply oom > locking all system zones and then calling directly into out_of_memory(). > > All populated zones must have ZONE_OOM_LOCKED set, otherwise there is a > parallel oom killing in progress that will lead to eventual memory freeing > so it's not necessary to needlessly kill another task. The context in > which the pagefault is allocating memory is unknown to the oom killer, so > this is done on a system-wide level. > > If a task has already been oom killed and hasn't fully exited yet, this > will be a no-op since select_bad_process() recognizes tasks across the > system with TIF_MEMDIE set. > > Acked-by: Nick Piggin <npiggin@xxxxxxx> > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> ack -- 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>