linux-kernel - Re: [PATCH] mm: memcg: export workingset refault stats for cgroup v1

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Message-ID: <CALvZod5kbOf+-jVWBhb1ior0oyWUKjMT57bip_eGGxWwSDVf=A@mail.gmail.com>
Date:   Wed, 17 Aug 2022 14:15:31 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Yang Shi <shy828301@...il.com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Muchun Song <songmuchun@...edance.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Cgroups <cgroups@...r.kernel.org>, Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: memcg: export workingset refault stats for cgroup v1

On Tue, Aug 16, 2022 at 11:58 AM Yang Shi <shy828301@...il.com> wrote:
>
> Workingset refault stats are important and usefule metrics to measure

*useful

> how well reclaimer and swapping work and how healthy the services are,
> but they are just available for cgroup v2.  There are still plenty users
> with cgroup v1, export the stats for cgroup v1.
>
> Signed-off-by: Yang Shi <shy828301@...il.com>

Acked-by: Shakeel Butt <shakeelb@...gle.com>