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SubjectRe: [External] Re: [RFC PATCH 00/15] Use obj_cgroup APIs to charge the LRU pages
On Fri, Apr 2, 2021 at 1:15 AM Shakeel Butt <shakeelb@google.com> wrote:
>
> On Thu, Apr 1, 2021 at 9:08 AM Muchun Song <songmuchun@bytedance.com> wrote:
> >
> [...]
> > > The zombie issue is a pretty urgent concern that has caused several
> > > production emergencies now. It needs a fix sooner rather than later.
> >
> > Thank you very much for clarifying the problem for me. I do agree
> > with you. This issue should be fixed ASAP. Using objcg is a good
> > choice. Dying objcg should not be a problem. Because the size of
> > objcg is so small compared to memcg.
> >
>
> Just wanted to say out loud that yes this patchset will reduce the
> memcg zombie issue but this is not the final destination. We should
> continue the discussions on sharing/reusing scenarios.

Yeah. Reducing the zombie memcg is not the final destination.
But it is an optimization. OK. The discussions about sharing/reusing
is also welcome.

>
> Muchun, can you please also CC Hugh Dickins and Alex Shi in the next
> version of your patchset?

No problem. I will cc Alex Shi in the next version.

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