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SubjectRe: [PATCH v18 00/32] per memcg lru_lock
On Mon, Aug 24, 2020 at 11:42:04AM -0700, Andrew Morton wrote:
> On Mon, 24 Aug 2020 20:54:33 +0800 Alex Shi <alex.shi@linux.alibaba.com> wrote:
>
> > The new version which bases on v5.9-rc2. The first 6 patches was picked into
> > linux-mm, and add patch 25-32 that do some further post optimization.
>
> 32 patches, version 18. That's quite heroic. I'm unsure whether I
> should merge it up at this point - what do people think?

I certainly hope not given how buggy the previous reversion and Alex's other
patchset are. There is really no room for the shortcut this time.

>
> >
> > Following Daniel Jordan's suggestion, I have run 208 'dd' with on 104
> > containers on a 2s * 26cores * HT box with a modefied case:
> > https://git.kernel.org/pub/scm/linux/kernel/git/wfg/vm-scalability.git/tree/case-lru-file-readtwice
> > With this patchset, the readtwice performance increased about 80%
> > in concurrent containers.
>
> That's rather a slight amount of performance testing for a huge
> performance patchset! Is more detailed testing planned?
>
>

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