From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 5958A6B0006 for ; Thu, 21 Jun 2018 06:59:25 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id w1-v6so1128057pgr.7 for ; Thu, 21 Jun 2018 03:59:25 -0700 (PDT) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTPS id l3-v6si3677734pgp.345.2018.06.21.03.59.23 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Jun 2018 03:59:24 -0700 (PDT) Date: Thu, 21 Jun 2018 18:58:48 +0800 From: kbuild test robot Subject: Re: [patch v2] mm, oom: fix unnecessary killing of additional processes Message-ID: <201806211834.NQ5KvllA%fengguang.wu@intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: David Rientjes Cc: kbuild-all@01.org, Andrew Morton , Michal Hocko , Tetsuo Handa , linux-kernel@vger.kernel.org, linux-mm@kvack.org Hi David, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.18-rc1 next-20180621] [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/David-Rientjes/mm-oom-fix-unnecessary-killing-of-additional-processes/20180621-060118 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/nodemask.h:265:16: sparse: expression using sizeof(void) include/linux/nodemask.h:271:16: sparse: expression using sizeof(void) include/linux/nodemask.h:265:16: sparse: expression using sizeof(void) include/linux/nodemask.h:271:16: sparse: expression using sizeof(void) >> mm/oom_kill.c:656:5: sparse: symbol 'oom_free_timeout_ms' was not declared. Should it be static? include/linux/rcupdate.h:683:9: sparse: context imbalance in 'find_lock_task_mm' - wrong count at exit include/linux/sched/mm.h:141:37: sparse: dereference of noderef expression mm/oom_kill.c:218:28: sparse: context imbalance in 'oom_badness' - unexpected unlock mm/oom_kill.c:398:9: sparse: context imbalance in 'dump_tasks' - different lock contexts for basic block include/linux/rcupdate.h:683:9: sparse: context imbalance in 'oom_kill_process' - unexpected unlock Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation