From: Christoph Hellwig <hch@lst.de>
To: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org
Subject: Re: [bug report] xfs: use vmalloc instead of vm_map_area for buffer backing memory
Date: Wed, 19 Mar 2025 07:31:13 +0100 [thread overview]
Message-ID: <20250319063113.GA23743@lst.de> (raw)
In-Reply-To: <91be50b2-1c02-4952-8603-6803dd64f42d@stanley.mountain>
On Tue, Mar 18, 2025 at 11:40:47AM +0300, Dan Carpenter wrote:
> Hello Christoph Hellwig,
>
> Commit e2874632a621 ("xfs: use vmalloc instead of vm_map_area for
> buffer backing memory") from Mar 10, 2025 (linux-next), leads to the
> following Smatch static checker warning:
Just a question to reconfirm how smatch works: the vm_unmap_ram
replaced by vfree in this patch also had a might_sleep(), so I think
this bug is older and the check should have also triggeted before.
Or am I missing something?
next prev parent reply other threads:[~2025-03-19 6:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-18 8:40 [bug report] xfs: use vmalloc instead of vm_map_area for buffer backing memory Dan Carpenter
2025-03-18 8:43 ` Christoph Hellwig
2025-03-19 6:31 ` Christoph Hellwig [this message]
2025-03-19 7:16 ` Dan Carpenter
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