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 681856B04D1 for ; Thu, 27 Jul 2017 17:41:55 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id u17so222648619pfa.6 for ; Thu, 27 Jul 2017 14:41:55 -0700 (PDT) Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id h10si12005256plk.237.2017.07.27.14.41.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jul 2017 14:41:54 -0700 (PDT) Date: Fri, 28 Jul 2017 05:41:07 +0800 From: kbuild test robot Subject: Re: [v4 2/4] mm, oom: cgroup-aware OOM killer Message-ID: <201707280527.uGsOPEe0%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="pWyiEgJYm5f9v55/" Content-Disposition: inline In-Reply-To: <20170726132718.14806-3-guro@fb.com> Sender: owner-linux-mm@kvack.org List-ID: To: Roman Gushchin Cc: kbuild-all@01.org, linux-mm@kvack.org, Michal Hocko , Vladimir Davydov , Johannes Weiner , Tetsuo Handa , David Rientjes , Tejun Heo , kernel-team@fb.com, cgroups@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org --pWyiEgJYm5f9v55/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Roman, [auto build test ERROR on linus/master] [also build test ERROR on v4.13-rc2 next-20170727] [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/Roman-Gushchin/cgroup-aware-OOM-killer/20170728-051627 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 errors (new ones prefixed by >>): mm/oom_kill.c: In function 'oom_kill_memcg_victim': >> mm/oom_kill.c:1005:24: error: dereferencing pointer to incomplete type 'struct mem_cgroup' if (oc->chosen_memcg->oom_kill_all_tasks) ^~ vim +1005 mm/oom_kill.c 982 983 static bool oom_kill_memcg_victim(struct oom_control *oc) 984 { 985 if (oc->chosen) { 986 if (oc->chosen != (void *)-1UL) { 987 __oom_kill_process(oc->chosen); 988 put_task_struct(oc->chosen); 989 schedule_timeout_killable(1); 990 } 991 return true; 992 993 } else if (oc->chosen_memcg) { 994 if (oc->chosen_memcg == (void *)-1UL) 995 return true; 996 997 /* Always begin with the biggest task */ 998 oc->chosen_points = 0; 999 oc->chosen = NULL; 1000 mem_cgroup_scan_tasks(oc->chosen_memcg, oom_evaluate_task, oc); 1001 if (oc->chosen && oc->chosen != (void *)-1UL) { 1002 __oom_kill_process(oc->chosen); 1003 put_task_struct(oc->chosen); 1004 > 1005 if (oc->chosen_memcg->oom_kill_all_tasks) 1006 mem_cgroup_scan_tasks(oc->chosen_memcg, 1007 oom_kill_memcg_member, 1008 NULL); 1009 } 1010 1011 mem_cgroup_put(oc->chosen_memcg); 1012 oc->chosen_memcg = NULL; 1013 return true; 1014 1015 } else { 1016 oc->chosen_points = 0; 1017 return false; 1018 } 1019 } 1020 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --pWyiEgJYm5f9v55/ Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICA1aelkAAy5jb25maWcAjFxbc+M2sn7fX8FKzkPykBnfxnHqlB8gEBQREyRDgJLsF5Yi 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