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

From: Andrew Morton
Date: Mon Aug 24 2020 - 14:42:10 EST


On Mon, 24 Aug 2020 20:54:33 +0800 Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> 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?

>
> 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?