linux-kernel - Re: [PATCH v3 0/8] make slab shrink lockless

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Message-Id: <20230226115100.7e12bda7931dd65dbabcebe3@linux-foundation.org>
Date:   Sun, 26 Feb 2023 11:51:00 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Qi Zheng <zhengqi.arch@...edance.com>
Cc:     tkhai@...ru, hannes@...xchg.org, shakeelb@...gle.com,
        mhocko@...nel.org, roman.gushchin@...ux.dev, muchun.song@...ux.dev,
        david@...hat.com, shy828301@...il.com, sultan@...neltoast.com,
        dave@...olabs.net, penguin-kernel@...ove.SAKURA.ne.jp,
        paulmck@...nel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/8] make slab shrink lockless

On Sun, 26 Feb 2023 22:46:47 +0800 Qi Zheng <zhengqi.arch@...edance.com> wrote:

> Hi all,
> 
> This patch series aims to make slab shrink lockless.

What an awesome changelog.

> 2. Survey
> =========

Especially this part.

Looking through all the prior efforts and at this patchset I am not
immediately seeing any statements about the overall effect upon
real-world workloads.  For a good example, does this patchset
measurably improve throughput or energy consumption on your servers?