Messages in this thread | | | Date | Thu, 25 Jan 2018 16:00:16 -0800 | From | Andrew Morton <> | Subject | Re: [patch -mm v2 2/3] mm, memcg: replace cgroup aware oom killer mount option with tunable |
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On Thu, 25 Jan 2018 15:53:48 -0800 (PST) David Rientjes <rientjes@google.com> wrote:
> Now that each mem cgroup on the system has a memory.oom_policy tunable to > specify oom kill selection behavior, remove the needless "groupoom" mount > option that requires (1) the entire system to be forced, perhaps > unnecessarily, perhaps unexpectedly, into a single oom policy that > differs from the traditional per process selection, and (2) a remount to > change. > > Instead of enabling the cgroup aware oom killer with the "groupoom" mount > option, set the mem cgroup subtree's memory.oom_policy to "cgroup".
Can we retain the groupoom mount option and use its setting to set the initial value of every memory.oom_policy? That way the mount option remains somewhat useful and we're back-compatible?
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