On Tue 23-10-12 11:35:52, Qiang Gao wrote: > I'm sure this is a global-oom,not cgroup-oom. [the dmesg output in the end] Yes this is the global oom killer because: > cglimit -M 700M ./tt > then after global-oom,the process hangs.. > 179184 pages RAM So you have ~700M of RAM so the memcg limit is basically pointless as it cannot be reached... -- 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>