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Date:   Thu, 19 May 2022 18:53:25 +0200
From:   Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>
To:     Vasily Averin <vvs@openvz.org>
Cc:     Roman Gushchin <roman.gushchin@linux.dev>,
        Shakeel Butt <shakeelb@google.com>, kernel@openvz.org,
        linux-kernel@vger.kernel.org, Vlastimil Babka <vbabka@suse.cz>,
        Michal Hocko <mhocko@suse.com>, cgroups@vger.kernel.org
Subject: Re: [PATCH 3/4] memcg: enable accounting for struct cgroup
Message-ID: <20220519165325.GA2434@blackbody.suse.cz>
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On Fri, May 13, 2022 at 06:52:12PM +0300, Vasily Averin <vvs@openvz.org> wrote:
> Creating each new cgroup allocates 4Kb for struct cgroup. This is the
> largest memory allocation in this scenario and is epecially important
> for small VMs with 1-2 CPUs.

What do you mean by this argument?

(On bigger irons, the percpu components becomes dominant, e.g. struct
cgroup_rstat_cpu.)

Thanks,
Michal