From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 63E5E368D73; Tue, 12 May 2026 07:21:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778570514; cv=none; b=QiGidzJNIbj2atDtQU06z30+7yyC5hNZkSeCuXiuvsW7SojVymPRosFVZzUT8JtpSw3+1P/35W0weuQUCZNN4CQKoesklOChWVhYUE/CPbOmua88BTzEYMxtNbc47pyP5wIVb2Pr+ZFHPtl0fsDu1Si1yJvFDyjrle85BykYn0k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778570514; c=relaxed/simple; bh=Xq9+eEnZyp37k7qXEaOdw0f0Snu5QZQtlvjD1+MYRu4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RfxmrbloaMw6v5C+To3ERIGqHbBla+E80Xub1TbWYajfFfBGodg+MTGIV4MzWJemYp0lzjpXIGPBvRZE4xKvZaoSlqi2PaE3fyFIIhmSpOKvBTSQZphhCCJD/ELFTe9v7wHaJoXfW0nMr9bANJrUHda/ATa9/GBmWbryM7SxYtI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HpnCduju; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HpnCduju" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F004C2BCB8; Tue, 12 May 2026 07:21:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778570514; bh=Xq9+eEnZyp37k7qXEaOdw0f0Snu5QZQtlvjD1+MYRu4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HpnCdujuSs0wcUGzR0lQTqIJ531e+c+TnGuoVAcjOUCcPqOGeNyWvcWsmYWSE3jxq mF9lVHlk8lkWBf0HidM6p3rU5VPTfQGMU6Po421XDufDTQigS16W5xwg2srgvuTKs/ KXvnNJ/6OzLv9KM2ZGR1T2oxhsd+sSbbrbqvxmSKTihw1tl6w2uJS9X1KEKKjpadNN 4nuq5EdnivRdW3Qm2oZhiQCb3YBa3DVhaw2PQmZBwhcU/a2lCEilJYilNG/IlNeDSI ro2YyO3EhmNbLo3hYTXPpvz/utb7tHvG+kyLD+U0Yk9qQMEGGIMuLHEz7RaJRZq/gj LeQ/tiiv2eo8A== Message-ID: <217f91d9-4d5f-47a6-ad20-0404968b8e08@kernel.org> Date: Tue, 12 May 2026 16:21:47 +0900 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 07/12] swap,block: limit swap file size to device size To: Christoph Hellwig , Andrew Morton , Chris Li , Kairui Song Cc: Christian Brauner , "Darrick J . Wong" , Jens Axboe , David Sterba , Theodore Ts'o , Jaegeuk Kim , Chao Yu , Trond Myklebust , Anna Schumaker , Namjae Jeon , Hyunchul Lee , Steve French , Paulo Alcantara , Carlos Maiolino , Naohiro Aota , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org References: <20260512053625.2950900-1-hch@lst.de> <20260512053625.2950900-8-hch@lst.de> Content-Language: en-US From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <20260512053625.2950900-8-hch@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/12/26 14:35, Christoph Hellwig wrote: > Don't blindly pass the value from the swap header to swap_add_extent, > but instead the device size rounded down to page granularity. This > activated the sanity checking in the core code that catches a too large > value in the swap header. > > Signed-off-by: Christoph Hellwig Looks OK to me, though this maybe could be folded in the previous patch ? Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research