(2013/04/08 15:33), Li Zefan wrote: > From: Michal Hocko <mhocko@xxxxxxx> > > This reverts commit e4715f01be697a3730c78f8ffffb595591d6a88c > > mem_cgroup_put is hierarchy aware so mem_cgroup_put(memcg) already drops > an additional reference from all parents so the additional > mem_cgrroup_put(parent) potentially causes use-after-free. > > Signed-off-by: Li Zefan <lizefan@xxxxxxxxxx> > Signed-off-by: Michal Hocko <mhocko@xxxxxxx> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- 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>