Messages in this thread | | | Date | Mon, 29 May 2017 21:29:48 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH v2] mm/oom_kill: count global and memory cgroup oom kills |
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On Thu, 25 May 2017, Konstantin Khlebnikov wrote:
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c > index 04c9143a8625..dd30a045ef5b 100644 > --- a/mm/oom_kill.c > +++ b/mm/oom_kill.c > @@ -876,6 +876,11 @@ static void oom_kill_process(struct oom_control *oc, const char *message) > /* Get a reference to safely compare mm after task_unlock(victim) */ > mm = victim->mm; > mmgrab(mm); > + > + /* Raise event before sending signal: reaper must see this */
How is the oom reaper involved here?
> + count_vm_event(OOM_KILL); > + mem_cgroup_count_vm_event(mm, OOM_KILL); > + > /* > * We should send SIGKILL before setting TIF_MEMDIE in order to prevent > * the OOM victim from depleting the memory reserves from the user
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