[CC linux-mm] Hi, On Fri 13-04-12 18:00:10, gaoqiang wrote: > > > I put a single process into a cgroup and set memory.limit_in_bytes > to 100M,and memory.memsw.limit_in_bytes to 1G. > > howevery,the process was oom-killed before mem+swap hit 1G. I tried > many times,and it was killed randomly when memory+swap > > exceed 100M but less than 1G. what is the matter ? could you be more specific about your kernel version, workload and could you provide us with GROUP/memory.stat snapshots taken during your test? One reason for oom might be that you are hitting the hard limit (you cannot get over even if memsw limit says more) and you cannot swap out any pages (e.g. they are mlocked or under writeback). -- Michal Hocko SUSE Labs SUSE LINUX s.r.o. Lihovarska 1060/12 190 00 Praha 9 Czech Republic -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>