linux-kernel - Re: [PATCH 2/2] memcg: periodically flush the memcg stats

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Message-ID: <CALvZod6AydanksvciHuxRPoOddFX3ov0Pp511RkzO8nLn3TJUQ@mail.gmail.com>
Date:   Fri, 4 Jun 2021 21:45:28 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     Hillf Danton <hdanton@...a.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Muchun Song <songmuchun@...edance.com>,
        Michal Hocko <mhocko@...nel.org>, Roman Gushchin <guro@...com>,
        Michal Koutný <mkoutny@...e.com>,
        Huang Ying <ying.huang@...el.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 2/2] memcg: periodically flush the memcg stats

On Fri, Jun 4, 2021 at 7:33 PM Tejun Heo <tj@...nel.org> wrote:
>
> On Sat, Jun 05, 2021 at 09:54:21AM +0800, Hillf Danton wrote:
> > The cond_resched() in cgroup_rstat_flush_locked() matches its appearence in
> > your post [1]. So does unbound IMHO.
>
> Ah yeah, this either needs CPU_INTENSIVE or UNBOUND, prolly the latter is
> better.
>

I will change the next version to the system_unbound_wq.