From: Andrew Morton <akpm@linux-foundation.org>
To: Leno Hou <lenohou@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Barry Song <21cnbao@gmail.com>,
Jialing Wang <wjl.linux@gmail.com>,
Yafang Shao <laoar.shao@gmail.com>, Yu Zhao <yuzhao@google.com>
Subject: Re: [PATCH] mm/mglru: fix cgroup OOM during MGLRU state switching
Date: Sat, 28 Feb 2026 10:58:29 -0800 [thread overview]
Message-ID: <20260228105829.984f06aeaf701487036ac992@linux-foundation.org> (raw)
In-Reply-To: <20260228161008.707-1-lenohou@gmail.com>
On Sun, 1 Mar 2026 00:10:08 +0800 Leno Hou <lenohou@gmail.com> wrote:
> When the Multi-Gen LRU (MGLRU) state is toggled dynamically, a race
> condition exists between the state switching and the memory reclaim
> path. This can lead to unexpected cgroup OOM kills, even when plenty of
> reclaimable memory is available.
>
> ...
>
Nice description, thanks. I'll queue this for testing while we await
comments.
>
> Reproduction script:
> ---
Please avoid using the ^---$ separator in changelogs - it means "end of
changelog text"!
> Signed-off-by: Leno Hou <lenohou@gmail.com>
>
> ---
Ditto.
next prev parent reply other threads:[~2026-02-28 18:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-28 16:10 Leno Hou
2026-02-28 18:58 ` Andrew Morton [this message]
2026-02-28 19:12 ` kernel test robot
2026-02-28 19:23 ` kernel test robot
2026-02-28 20:15 ` kernel test robot
2026-02-28 21:28 ` Barry Song
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