Messages in this thread | | | Subject | Re: Misleading OOM messages | From | Dave Hansen <> | Date | Fri, 15 May 2009 11:15:07 -0700 |
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On Fri, 2009-05-15 at 13:57 -0400, Christoph Lameter wrote: > > If you misconfigured cgroups, you give more memory to them. > > If you do not have enough memory in a cgroup then your application should > slow down (because of page evictions) but the system should not OOM. > Are cgroups broken or why are you getting OOMs when using them?
See mm/oom_kill.c::mem_cgroup_out_of_memory(). A group itself can have an OOM done on it. It's not a system-wide oom. We just need to ensure that we continue to differentiate the cgroup-specific oom message from the general one. Maybe also include some more cgroup info in the debug outbut.
-- Dave
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