From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 4/4] memcg: enable accounting for allocations in alloc_fair_sched_group
Date: Fri, 20 May 2022 01:18:57 +0000
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To: Vasily Averin <vvs-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Cc: Roman Gushchin <roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org>, Michal =?utf-8?Q?Koutn=C3=BD?= <mkoutny-IBi9RG/b67k@public.gmane.org>, kernel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Vlastimil Babka <vbabka-AlSwsSmVLrQ@public.gmane.org>, Michal Hocko <mhocko-IBi9RG/b67k@public.gmane.org>, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

On Fri, May 13, 2022 at 06:52:20PM +0300, Vasily Averin wrote:
> Creating of each new cpu cgroup allocates two 512-bytes kernel objects
> per CPU. This is especially important for cgroups shared parent memory
> cgroup. In this scenario, on nodes with multiple processors, these
> allocations become one of the main memory consumers.
> 
> Accounting for this memory helps to avoid misuse inside memcg-limited
> contianers.
> 
> Signed-off-by: Vasily Averin <vvs-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>

Acked-by: Shakeel Butt <shakeelb-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>