From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f197.google.com (mail-qk0-f197.google.com [209.85.220.197]) by kanga.kvack.org (Postfix) with ESMTP id 5AFFB6B0005 for ; Tue, 30 Jan 2018 21:33:13 -0500 (EST) Received: by mail-qk0-f197.google.com with SMTP id r75so3194716qke.6 for ; Tue, 30 Jan 2018 18:33:13 -0800 (PST) Received: from userp2120.oracle.com (userp2120.oracle.com. [156.151.31.85]) by mx.google.com with ESMTPS id k2si103808qtc.210.2018.01.30.18.33.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jan 2018 18:33:12 -0800 (PST) Subject: Re: [PATCH 3/3] mm: memfd: remove memfd code from shmem files and use new memfd files References: <20180130000101.7329-4-mike.kravetz@oracle.com> <201801310705.HNIeJce6%fengguang.wu@intel.com> From: Mike Kravetz Message-ID: <6225b786-ebd6-6d3b-3db8-55b87dc9a8bd@oracle.com> Date: Tue, 30 Jan 2018 18:28:03 -0800 MIME-Version: 1.0 In-Reply-To: <201801310705.HNIeJce6%fengguang.wu@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: kbuild test robot Cc: kbuild-all@01.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hugh Dickins , Andrea Arcangeli , Michal Hocko , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= , David Herrmann , Khalid Aziz , Andrew Morton On 01/30/2018 03:49 PM, kbuild test robot wrote: > Hi Mike, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on mmotm/master] > [also build test WARNING on next-20180126] > [cannot apply to linus/master v4.15] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Mike-Kravetz/restructure-memfd-code/20180131-023405 > base: git://git.cmpxchg.org/linux-mmotm.git master > reproduce: > # apt-get install sparse > make ARCH=x86_64 allmodconfig > make C=1 CF=-D__CHECK_ENDIAN__ > > > sparse warnings: (new ones prefixed by >>) > >>> mm/memfd.c:40:9: sparse: incorrect type in assignment (different address spaces) @@ expected void @@ got void > :::::: The code at line 40 was first introduced by commit > :::::: 6df4ed2a410bc04f1ec04dce16ccd236707f7f32 mm: memfd: split out memfd for use by multiple filesystems Yes, but I also removed those same warnings from mm/shmem.c so I should get some credit for that. :) I fixed up the warnings in the moved code and will send out v2. -- Mike Kravetz -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org