From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id 446A26B0399 for ; Fri, 17 Feb 2017 07:28:21 -0500 (EST) Received: by mail-pf0-f198.google.com with SMTP id c73so60511727pfb.7 for ; Fri, 17 Feb 2017 04:28:21 -0800 (PST) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTPS id 1si10194138plm.58.2017.02.17.04.28.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Feb 2017 04:28:20 -0800 (PST) Date: Fri, 17 Feb 2017 20:27:43 +0800 From: kbuild test robot Subject: Re: [PATCH 3/6] mm/migrate: Add copy_pages_mthread function Message-ID: <201702172013.pEgvczPM%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="XsQoSWH+UP9D9v3l" Content-Disposition: inline In-Reply-To: <20170217112453.307-4-khandual@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Anshuman Khandual Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, vbabka@suse.cz, mgorman@suse.de, minchan@kernel.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com, srikar@linux.vnet.ibm.com, haren@linux.vnet.ibm.com, jglisse@redhat.com, dave.hansen@intel.com, dan.j.williams@intel.com, zi.yan@cs.rutgers.edu --XsQoSWH+UP9D9v3l Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Zi, [auto build test WARNING on linus/master] [also build test WARNING on v4.10-rc8 next-20170216] [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-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): mm/copy_pages_mthread.c: In function 'copy_pages_mthread': >> mm/copy_pages_mthread.c:49:10: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] cpumask = cpumask_of_node(node); ^ vim +/const +49 mm/copy_pages_mthread.c 33 static void copythread(struct work_struct *work) 34 { 35 struct copy_info *info = (struct copy_info *) work; 36 37 copy_pages(info->to, info->from, info->chunk_size); 38 } 39 40 int copy_pages_mthread(struct page *to, struct page *from, int nr_pages) 41 { 42 struct cpumask *cpumask; 43 struct copy_info *work_items; 44 char *vto, *vfrom; 45 unsigned long i, cthreads, cpu, node, chunk_size; 46 int cpu_id_list[32] = {0}; 47 48 node = page_to_nid(to); > 49 cpumask = cpumask_of_node(node); 50 cthreads = nr_copythreads; 51 cthreads = min_t(unsigned int, cthreads, cpumask_weight(cpumask)); 52 cthreads = (cthreads / 2) * 2; 53 work_items = kcalloc(cthreads, sizeof(struct copy_info), GFP_KERNEL); 54 if (!work_items) 55 return -ENOMEM; 56 57 i = 0; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --XsQoSWH+UP9D9v3l Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICAPqplgAAy5jb25maWcAjDxbc9s2s+/9FZz2PKQzp4lvcd054wcIBCVUBMkQpCT7haPI 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