Messages in this thread | | | Date | Thu, 8 Nov 2012 13:44:26 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH 1/2] memcg, oom: provide more precise dump info while memcg oom happening |
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On Thu 08-11-12 20:37:45, Sha Zhengju wrote: > On 11/08/2012 02:02 AM, David Rientjes wrote: > >On Wed, 7 Nov 2012, Sha Zhengju wrote: [..] > >>+ else > >>+ show_mem(SHOW_MEM_FILTER_NODES); > >Well that's disappointing if memcg == root_mem_cgroup, we'd probably like > >to know the global memory state to determine what the problem is. > > > > I really wondering if there is any case that can pass > root_mem_cgroup down here.
No it cannot because the root cgroup doesn't have any limit so we cannot trigger memcg oom killer.
-- Michal Hocko SUSE Labs
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