linux-kernel - Re: [PATCH v8 6/6] zswap: shrinks zswap pool based on memory pressure

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Message-ID: <CAKEwX=OkZsPiv-A3Rg7Wh2TKcf0aKd-1Yi9wRyEzJK6o9=zXQA@mail.gmail.com>
Date:   Wed, 6 Dec 2023 11:47:33 -0800
From:   Nhat Pham <nphamcs@...il.com>
To:     Yosry Ahmed <yosryahmed@...gle.com>
Cc:     Chengming Zhou <chengming.zhou@...ux.dev>,
        akpm@...ux-foundation.org, hannes@...xchg.org,
        cerasuolodomenico@...il.com, sjenning@...hat.com,
        ddstreet@...e.org, vitaly.wool@...sulko.com, mhocko@...nel.org,
        roman.gushchin@...ux.dev, shakeelb@...gle.com,
        muchun.song@...ux.dev, chrisl@...nel.org, linux-mm@...ck.org,
        kernel-team@...a.com, linux-kernel@...r.kernel.org,
        cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kselftest@...r.kernel.org, shuah@...nel.org
Subject: Re: [PATCH v8 6/6] zswap: shrinks zswap pool based on memory pressure

[...]
>
> Hmm so how should we proceed from here? How about this:
>
> a) I can send a fixlet to move the enablement check above the stats
> flushing + use mem_cgroup_flush_stats
> b) Then maybe, you can send a fixlet to update this new callsite?
>
> Does that sound reasonable?

I just sent out the fixlet. Yosry and Chengming, let me know if that
looks good. Thank you both for detecting this issue and proposing the
fix!