On 5/30/19 5:07 AM, David Rientjes wrote:
On Wed, 29 May 2019, Yang Shi wrote:
Right, we've also encountered this. I talked to Kirill about it a week or
so ago where the suggestion was to split all compound pages on the
deferred split queues under the presence of even memory pressure.
On Wed, 29 May 2019, Yang Shi wrote:
> > Right, we've also encountered this. I talked to Kirill about it a week or
> > so ago where the suggestion was to split all compound pages on the
> > deferred split queues under the presence of even memory pressure.
> >
> > That breaks cgroup isolation
On 5/29/19 9:22 AM, David Rientjes wrote:
On Tue, 28 May 2019, Yang Shi wrote:
I got some reports from our internal application team about memcg OOM.
Even though the application has been killed by oom killer, there are
still a lot THPs reside, page reclaim doesn't reclaim them at all.
Some
On Tue, 28 May 2019, Yang Shi wrote:
>
> I got some reports from our internal application team about memcg OOM.
> Even though the application has been killed by oom killer, there are
> still a lot THPs reside, page reclaim doesn't reclaim them at all.
>
> Some investigation shows they are on
I got some reports from our internal application team about memcg OOM.
Even though the application has been killed by oom killer, there are
still a lot THPs reside, page reclaim doesn't reclaim them at all.
Some investigation shows they are on deferred split queue, memcg direct
reclaim can't
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