linux-kernel - Re: [PATCH 0/3] enable memcg accounting for kernfs objects

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Message-ID: <20220809174934.GC10478@blackbody.suse.cz>
Date:   Tue, 9 Aug 2022 19:49:34 +0200
From:   Michal Koutný <mkoutny@...e.com>
To:     Tejun Heo <tj@...nel.org>
Cc:     Vasily Averin <vvs@...nvz.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        linux-kernel@...r.kernel.org, kernel@...nvz.org,
        Shakeel Butt <shakeelb@...gle.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Muchun Song <songmuchun@...edance.com>,
        Michal Hocko <mhocko@...e.com>,
        Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH 0/3] enable memcg accounting for kernfs objects

On Tue, Aug 09, 2022 at 07:31:31AM -1000, Tejun Heo <tj@...nel.org> wrote:
> I'm not quite sure whether following the usual "charge it to the allocating
> task's cgroup" is the best way to go about it. I wonder whether it'd be
> better to attach it to the new cgroup's nearest ancestor with memcg enabled.

See also 
https://lore.kernel.org/r/YnBLge4ZQNbbxufc@blackbook/
and
https://lore.kernel.org/r/20220511163439.GD24172@blackbody.suse.cz/

Michal