On Wed 09-01-13 22:35:12, Sha Zhengju wrote: [...] > To my knowledge, each task is forked in root memcg, and there's a > moving while attaching it to a cgroup. So move_account is also a > frequent behavior to some extent. Not really. Every fork/exec is copies the current group (see cgroup_fork) so there is no moving on that path. [...] -- Michal Hocko SUSE Labs -- 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>