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From: Chao Yu <chao@kernel.org>
To: Gao Xiang <hsiangkao@linux.alibaba.com>, linux-erofs@lists.ozlabs.org
Cc: Chao Yu <chao@kernel.org>,
	Max Kellermann <max.kellermann@ionos.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] erofs: fix PSI memstall accounting
Date: Thu, 12 Dec 2024 22:19:27 +0800	[thread overview]
Message-ID: <3bd0e32f-030c-493b-922b-5c4c4c164cf1@kernel.org> (raw)
In-Reply-To: <20241127085236.3538334-1-hsiangkao@linux.alibaba.com>

On 2024/11/27 16:52, Gao Xiang wrote:
> Max Kellermann recently reported psi_group_cpu.tasks[NR_MEMSTALL] is
> incorrect in 6.11.9 kernel.
> 
> I think the root cause of the recent issue is that since the problematic
> commit, bio can be NULL so psi_memstall_leave() could be missed in
> z_erofs_submit_queue().
> 
> Reported-by: Max Kellermann <max.kellermann@ionos.com>
> Closes: https://lore.kernel.org/r/CAKPOu+8tvSowiJADW2RuKyofL_CSkm_SuyZA7ME5vMLWmL6pqw@mail.gmail.com
> Fixes: 9e2f9d34dd12 ("erofs: handle overlapped pclusters out of crafted images properly")
> Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

      parent reply	other threads:[~2024-12-12 14:19 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-27  8:52 Gao Xiang
2024-12-02 21:52 ` Sandeep Dhavale
2024-12-03  1:42   ` Gao Xiang
2024-12-03  8:02     ` Max Kellermann
2024-12-03  8:15       ` Gao Xiang
2024-12-03  8:20         ` Max Kellermann
2024-12-03 13:30         ` Max Kellermann
2024-12-03 14:00           ` Max Kellermann
2024-12-04  2:12             ` Gao Xiang
2024-12-12 14:19 ` Chao Yu [this message]

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