From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753909AbdCJBNu (ORCPT ); Thu, 9 Mar 2017 20:13:50 -0500 Received: from mga03.intel.com ([134.134.136.65]:25912 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751300AbdCJBNt (ORCPT ); Thu, 9 Mar 2017 20:13:49 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,137,1486454400"; d="scan'208";a="1106827515" Date: Fri, 10 Mar 2017 09:12:39 +0800 From: Ye Xiaolong To: Anshuman Khandual Cc: kbuild test robot , haren@linux.vnet.ibm.com, mhocko@suse.com, srikar@linux.vnet.ibm.com, minchan@kernel.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com, dave.hansen@intel.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, jglisse@redhat.com, mgorman@suse.de, dan.j.williams@intel.com, zi.yan@cs.rutgers.edu, vbabka@suse.cz, kbuild-all@01.org Subject: Re: [kbuild-all] [PATCH 6/6] sysctl: Add global tunable mt_page_copy Message-ID: <20170310011239.GF4705@yexl-desktop> References: <201702172358.xrHUyT1e%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/08, Anshuman Khandual wrote: >On 02/17/2017 09:00 PM, kbuild test robot wrote: >> Hi Zi, >> >> [auto build test ERROR on linus/master] >> [also build test ERROR on v4.10-rc8 next-20170217] >> [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/Anshuman-Khandual/Enable-parallel-page-migration/20170217-200523 >> config: i386-randconfig-a0-02131010 (attached as .config) >> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > >Though I dont have the same compiler, I am unable to reproduce this >build failure exactly. The build fails but for a different symbol. I think previous "undefined reference to `mt_page_copy'" error is due to kbuild bot didn't set CONFIG_MIGRATION (see attached config in original mail) since it is a randconfig test. Thanks, Xiaolong >I have the following gcc version but does it really make a >difference with respect to finding the symbol etc ? > >gcc (Ubuntu 4.9.2-10ubuntu13) 4.9.2 > > >mm/memory.c: In function ‘copy_pmd_range’: >mm/memory.c:1002:3: error: implicit declaration of function >‘pmd_related’ [-Werror=implicit-function-declaration] > if (pmd_related(*src_pmd)) { > ^ >cc1: some warnings being treated as errors >scripts/Makefile.build:294: recipe for target 'mm/memory.o' failed > >_______________________________________________ >kbuild-all mailing list >kbuild-all@lists.01.org >https://lists.01.org/mailman/listinfo/kbuild-all