Michal Hocko wrote: > Yes you are right! The reference count should be incremented before > publishing the new mm_to_reap. I thought that an elevated ref. count by > the caller would be enough but this was clearly wrong. Does the update > below looks better? I think that moving mmdrop() from oom_kill_process() to oom_reap_vmas() xor wake_oom_reaper() makes the patch simpler. rcu_read_unlock(); + if (can_oom_reap) + wake_oom_reaper(mm); /* will call mmdrop() */ + else + mmdrop(mm); - mmdrop(mm); put_task_struct(victim); } -- 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>