Re: [PATCH v18 00/32] per memcg lru_lock: reviews

From: Alexander Duyck
Date: Thu Sep 17 2020 - 12:07:47 EST


On Thu, Sep 17, 2020 at 7:26 AM Daniel Jordan
<daniel.m.jordan@xxxxxxxxxx> wrote:
>
> On Thu, Sep 17, 2020 at 10:37:45AM +0800, Alex Shi wrote:
> > 在 2020/9/16 上午12:58, Daniel Jordan 写道:
> > > On Tue, Sep 15, 2020 at 01:21:56AM -0700, Hugh Dickins wrote:
> > >> On Sun, 13 Sep 2020, Alex Shi wrote:
> > >>> Uh, I updated the testing with some new results here:
> > >>> https://lkml.org/lkml/2020/8/26/212
> > >> Right, I missed that, that's better, thanks. Any other test results?
> > > Alex, you were doing some will-it-scale runs earlier. Are you planning to do
> > > more of those? Otherwise I can add them in.
> >
> > Hi Daniel,
> >
> > Does compaction perf scalable, like thpscale, I except they could get some benefit.
>
> Yep, I plan to stress compaction. Reclaim as well.
>
> I should have said which Alex I meant. I was asking Alex Duyck since he'd done
> some will-it-scale runs.

I probably won't be able to do any will-it-scale runs any time soon.
If I recall I ran them for this latest v18 patch set and didn't see
any regressions like I did with the previous set. However the system I
was using is tied up for other purposes and it may be awhile before I
can free it up to look into this again.

Thanks.

- Alex