From: Noah Feldt <noah@feldt.systems>
To: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
David Hildenbrand <david@kernel.org>,
Qi Zheng <qi.zheng@linux.dev>, Kairui Song <kasong@tencent.com>,
Barry Song <baohua@kernel.org>,
Meta kernel team <kernel-team@meta.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] mm: mglru: splice all generations when reparenting a memcg
Date: Sun, 15 Nov 2026 12:50:02 +0000 [thread overview]
Message-ID: <20261115124954.7146-1-noah@feldt.systems> (raw)
In-Reply-To: <20261111000913.22943-1-shakeel.butt@linux.dev>
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On Wed, Nov 11, 2026, Shakeel Butt wrote:
> Noah reported list_del corruption on single-node hosts running 7.2.11,
> which already has commit bf4ade7dbd76 ("memcg: keep folio's objcg same
> as its node"). The bad pointer is an MGLRU list head in a freed
> mem_cgroup_per_node:
I have already rolled this patch out on our servers. Since then the
panics and resulting restarts from my report have stopped, and we have
not noticed any other unusual behaviour.
Tested-by: Noah Feldt <noah@feldt.systems>
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prev parent reply other threads:[~2026-11-15 12:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 0:09 Shakeel Butt
2026-11-11 0:27 ` Barry Song
2026-11-11 8:57 ` Kairui Song
2026-11-11 18:13 ` Kairui Song
2026-11-12 8:46 ` Baolin Wang
2026-11-15 12:50 ` Noah Feldt [this message]
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