From: Roman Gushchin <roman.gushchin@linux.dev>
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: linux-mm@kvack.org, jiayuan.chen@shopee.com,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Shakeel Butt <shakeel.butt@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] mm: memcg: reset oom_group in css_reset
Date: Mon, 06 Jul 2026 12:48:42 -0700 [thread overview]
Message-ID: <877bn7nbl1.fsf@linux.dev> (raw)
In-Reply-To: <20260703063826.306878-2-jiayuan.chen@linux.dev> (Jiayuan Chen's message of "Fri, 3 Jul 2026 14:38:24 +0800")
Jiayuan Chen <jiayuan.chen@linux.dev> writes:
> From: Jiayuan Chen <jiayuan.chen@shopee.com>
>
> memory.oom.group defaults to disabled, but css_reset did not clear
> memcg->oom_group when a disabled memory css is kept alive by another
> controller dependency.
>
> Reset it with the other memory controller policies so a hidden memcg
> cannot keep applying stale group OOM kill policy.
>
> Cc: Jiayuan Chen <jiayuan.chen@linux.dev>
> Signed-off-by: Jiayuan Chen <jiayuan.chen@shopee.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Thanks!
next prev parent reply other threads:[~2026-07-06 19:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-03 6:38 [PATCH v3 1/2] mm: memcg: reset zswap settings in css_reset Jiayuan Chen
2026-07-03 6:38 ` [PATCH v3 2/2] mm: memcg: reset oom_group " Jiayuan Chen
2026-07-06 19:48 ` Roman Gushchin [this message]
2026-07-07 2:24 ` Muchun Song
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