linux-kernel - Re: [PATCH cgroup] cgroup: set the correct return code if hierarchy limits are reached

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Date:   Mon, 27 Jun 2022 11:33:58 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     Vasily Averin <vvs@...nvz.org>
Cc:     Shakeel Butt <shakeelb@...gle.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Michal Koutný <mkoutny@...e.com>,
        Michal Hocko <mhocko@...e.com>, Tejun Heo <tj@...nel.org>,
        Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>, kernel@...nvz.org,
        LKML <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH cgroup] cgroup: set the correct return code if hierarchy
 limits are reached

On Mon, Jun 27, 2022 at 10:12 AM Vasily Averin <vvs@...nvz.org> wrote:
>
> When cgroup_mkdir reaches the limits of the cgroup hierarchy, it should
> not return -EAGAIN, but instead react similarly to reaching the global
> limit.
>
> Signed-off-by: Vasily Averin <vvs@...nvz.org>

Reviewed-by: Muchun Song <songmuchun@...edance.com>

Thanks.