From: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
To: Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Michal Hocko <mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Roman Gushchin
<roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>,
Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 1/3] memcg: extract memcg_vmstats from struct mem_cgroup
Date: Fri, 9 Sep 2022 02:26:40 +0200 [thread overview]
Message-ID: <YxqIQOWzrsrPnff3@blackbook> (raw)
In-Reply-To: <20220907043537.3457014-2-shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Hi.
On Wed, Sep 07, 2022 at 04:35:35AM +0000, Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> wrote:
> This is a preparatory patch to reduce the memory overhead of memory
> cgroup. The struct memcg_vmstats is the largest object embedded into the
> struct mem_cgroup.
> This patch extracts struct memcg_vmstats from struct
> mem_cgroup to ease the following patches in reducing the size of struct
> memcg_vmstats.
Is the reason for the extraction just moving things away from the header
file?
Or is the separate allocation+indirection somehow beneficial wrt, e.g.
fragmentation?
Thanks,
Michal
next prev parent reply other threads:[~2022-09-09 0:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-07 4:35 [PATCH 0/3] memcg: reduce memory overhead of memory cgroups Shakeel Butt
[not found] ` <20220907043537.3457014-1-shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-09-07 4:35 ` [PATCH 1/3] memcg: extract memcg_vmstats from struct mem_cgroup Shakeel Butt
[not found] ` <20220907043537.3457014-2-shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-09-09 0:26 ` Michal Koutný [this message]
2022-09-09 16:11 ` Shakeel Butt
2022-09-07 4:35 ` [PATCH 2/3] memcg: rearrange code Shakeel Butt
2022-09-07 4:35 ` [PATCH 3/3] memcg: reduce size of memcg vmstats structures Shakeel Butt
[not found] ` <20220907043537.3457014-4-shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2022-09-07 23:27 ` Roman Gushchin
2022-09-08 2:35 ` Shakeel Butt
2022-09-08 22:37 ` Andrew Morton
2022-09-09 0:23 ` Michal Koutný
2022-09-09 17:14 ` Shakeel Butt
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