Messages in this thread |  | | Date | Mon, 23 Jul 2018 13:33:19 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [patch v3 -mm 3/6] mm, memcg: add hierarchical usage oom policy |
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On Mon, 16 Jul 2018, David Rientjes wrote:
> > And "tree" is different. It actually changes how the selection algorithm works, > > and sub-tree settings do matter in this case. > > > > "Tree" is considering the entity as a single indivisible memory consumer, > it is compared with siblings based on its hierarhical usage. It has > cgroup oom policy. > > It would be possible to separate this out, if you'd prefer, to account > an intermediate cgroup as the largest descendant or the sum of all > descendants. I hadn't found a usecase for that, however, but it doesn't > mean there isn't one. If you'd like, I can introduce another tunable. >
Roman, I'm trying to make progress so that the cgroup aware oom killer is in a state that it can be merged. Would you prefer a second tunable here to specify a cgroup's points includes memory from its subtree?
It would be helpful if you would also review the rest of the patchset.
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