From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A32A9C43603 for ; Tue, 17 Dec 2019 08:05:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EACD21739 for ; Tue, 17 Dec 2019 08:05:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727193AbfLQIF3 (ORCPT ); Tue, 17 Dec 2019 03:05:29 -0500 Received: from mga09.intel.com ([134.134.136.24]:26976 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725946AbfLQIF2 (ORCPT ); Tue, 17 Dec 2019 03:05:28 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Dec 2019 00:05:27 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,324,1571727600"; d="scan'208";a="247347300" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by fmsmga002.fm.intel.com with ESMTP; 17 Dec 2019 00:05:21 -0800 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1ih7qn-0006kj-6U; Tue, 17 Dec 2019 16:05:01 +0800 Date: Tue, 17 Dec 2019 16:03:56 +0800 From: kbuild test robot To: John Hubbard Cc: kbuild-all@lists.01.org, Andrew Morton , Al Viro , Alex Williamson , Benjamin Herrenschmidt , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Christoph Hellwig , Dan Williams , Daniel Vetter , Dave Chinner , David Airlie , "David S . Miller" , Ira Weiny , Jan Kara , Jason Gunthorpe , Jens Axboe , Jonathan Corbet , =?iso-8859-1?B?Suly9G1l?= Glisse , Magnus Karlsson , Mauro Carvalho Chehab , Michael Ellerman , Michal Hocko , Mike Kravetz , Paul Mackerras , Shuah Khan , Vlastimil Babka , bpf@vger.kernel.org, dri-devel@lists.freedesktop.org, kvm@vger.kernel.org, linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, linux-rdma@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, linux-mm@kvack.org, LKML , John Hubbard , "Kirill A . Shutemov" Subject: Re: [PATCH v9 23/25] mm/gup: track FOLL_PIN pages Message-ID: <201912171520.rTYbJvYF%lkp@intel.com> References: <20191211025318.457113-24-jhubbard@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191211025318.457113-24-jhubbard@nvidia.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on rdma/for-next] [also build test WARNING on linus/master v5.5-rc2 next-20191216] [cannot apply to mmotm/master vfio/next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/John-Hubbard/mm-gup-track-dma-pinned-pages-FOLL_PIN/20191212-013238 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next reproduce: # apt-get install sparse # sparse version: v0.6.1-104-gf934193-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> mm/gup.c:78:26: sparse: sparse: symbol 'try_pin_compound_head' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation