From: Qi Zheng <qi.zheng@linux.dev>
To: Peiyang He <peiyang_he@smail.nju.edu.cn>,
akpm@linux-foundation.org, david@kernel.org, kasong@tencent.com,
shakeel.butt@linux.dev, baohua@kernel.org,
axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com,
hannes@cmpxchg.org, harry@kernel.org, muchun.song@linux.dev,
mhocko@kernel.org, roman.gushchin@linux.dev, ljs@kernel.org
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Qi Zheng <zhengqi.arch@bytedance.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] mm: mglru: fix stale batch updates after memcg reparenting
Date: Mon, 22 Jun 2026 16:31:27 +0800 [thread overview]
Message-ID: <ae54f2e2-c53e-40ae-8016-bf8302236c88@linux.dev> (raw)
In-Reply-To: <F5EBCFC495955241+61489c47-c792-43de-a8f8-4b1030f4ab6a@smail.nju.edu.cn>
On 6/22/26 4:24 PM, Peiyang He wrote:
> Hi Qi,
>
> Thanks for confirming this bug and proposing the patch. The fix I previously proposed was indeed incorrect. I have applied your patch and tested it using the PoC script that previously triggered the warning; no warning is observed anymore.
Good news.
Thanks for testing this!
prev parent reply other threads:[~2026-06-22 8:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-21 13:50 [BUG] mm: mglru: stale aging batch triggers lru_gen_exit_memcg warning Peiyang He
2026-06-22 3:12 ` Qi Zheng
2026-06-22 7:37 ` [PATCH] mm: mglru: fix stale batch updates after memcg reparenting Qi Zheng
2026-06-22 8:24 ` Peiyang He
2026-06-22 8:31 ` Qi Zheng [this message]
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