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=-7.5 required=3.0 tests=MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 94DA5C43387 for ; Fri, 21 Dec 2018 00:40:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6014D21903 for ; Fri, 21 Dec 2018 00:40:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733133AbeLUAkh (ORCPT ); Thu, 20 Dec 2018 19:40:37 -0500 Received: from mga03.intel.com ([134.134.136.65]:41044 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727790AbeLUAkh (ORCPT ); Thu, 20 Dec 2018 19:40:37 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Dec 2018 16:40:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,379,1539673200"; d="gz'50?scan'50,208,50";a="112254345" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 20 Dec 2018 16:40:27 -0800 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1ga8ra-000ItL-TH; Fri, 21 Dec 2018 08:40:26 +0800 Date: Fri, 21 Dec 2018 08:39:57 +0800 From: kbuild test robot To: Waiman Long Cc: kbuild-all@01.org, Andrew Morton , linux-kernel@vger.kernel.org, Oscar Salvador , Tejun Heo , Waiman Long Subject: Re: [PATCH v3] include/linux/nodemask.h: Use nr_node_ids (not MAX_NUMNODES) in __nodemask_pr_numnodes() Message-ID: <201812210836.SVZGQPJS%fengguang.wu@intel.com> References: <1545253492-32070-1-git-send-email-longman@redhat.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="45Z9DzgjV8m4Oswq" Content-Disposition: inline In-Reply-To: <1545253492-32070-1-git-send-email-longman@redhat.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --45Z9DzgjV8m4Oswq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi Waiman, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.20-rc7 next-20181220] [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/Waiman-Long/include-linux-nodemask-h-Use-nr_node_ids-not-MAX_NUMNODES-in-__nodemask_pr_numnodes/20181221-082352 config: riscv-tinyconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=riscv All warnings (new ones prefixed by >>): In file included from include/linux/sched.h:22, from arch/riscv/kernel/asm-offsets.c:18: >> include/linux/nodemask.h:492: warning: "nr_node_ids" redefined #define nr_node_ids 1 include/linux/nodemask.h:105: note: this is the location of the previous definition #define nr_node_ids MAX_NUMNODES vim +/nr_node_ids +492 include/linux/nodemask.h 13808910 Christoph Lameter 2007-10-16 485 13808910 Christoph Lameter 2007-10-16 486 #define for_each_node_state(node, __state) \ 13808910 Christoph Lameter 2007-10-16 487 for ( (node) = 0; (node) == 0; (node) = 1) 13808910 Christoph Lameter 2007-10-16 488 8357f869 KAMEZAWA Hiroyuki 2006-03-27 489 #define first_online_node 0 8d060bf4 David Rientjes 2014-08-06 490 #define first_memory_node 0 8357f869 KAMEZAWA Hiroyuki 2006-03-27 491 #define next_online_node(nid) (MAX_NUMNODES) 74c7aa8b Christoph Lameter 2007-02-20 @492 #define nr_node_ids 1 62bc62a8 Christoph Lameter 2009-06-16 493 #define nr_online_nodes 1 13808910 Christoph Lameter 2007-10-16 494 :::::: The code at line 492 was first introduced by commit :::::: 74c7aa8b8581e0ba8d6d17c623b9279aaabbb0cf [PATCH] Replace highest_possible_node_id() with nr_node_ids :::::: TO: Christoph Lameter :::::: CC: Linus Torvalds --- 0-DAY kernel test infrastructure Open Source 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