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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEA43C433EF for ; Thu, 27 Jan 2022 19:39:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239943AbiA0TjN (ORCPT ); Thu, 27 Jan 2022 14:39:13 -0500 Received: from mga05.intel.com ([192.55.52.43]:34274 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229639AbiA0TjM (ORCPT ); Thu, 27 Jan 2022 14:39:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643312352; x=1674848352; h=date:from:to:cc:subject:message-id:mime-version; bh=K8TsweYnEBuPUmpbQF/V+mUt3gLgV/uS+4rbemKBr0g=; b=Bg4F9KLm0QOhga2dDiVh1sDGjXID7amOOv9jyHmU28VnxHSLBNsXZdCq eecE7rnSU/+Z19zQ9ugTwdX5BqJp0lWdXOcPfCXJfRsI+PivSnKKhPElA Ip1MqmryS2yLJBDqiBGoU62lAWa24jwalD3/empiAyJ9ix3WOtRAKEPhR /7phUrR1GQtEB18iP0xrLhHiakeZ+R2tI3sx0zpmPI0hVlBHKpZdhZOpn jVASBTqDmbeZVNbBbUeBNbKYoRKciTzt8MqG66sHxmIR5J8eF20hx7XGv WsGqLzdxzQpvmxHexsZRXQip+0hESxJE9ekPEkbUwWgoOaN8O+EXWUVKy w==; X-IronPort-AV: E=McAfee;i="6200,9189,10239"; a="333301866" X-IronPort-AV: E=Sophos;i="5.88,321,1635231600"; d="scan'208";a="333301866" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2022 11:39:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,321,1635231600"; d="scan'208";a="480431704" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 27 Jan 2022 11:39:10 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nDAbu-000Mxz-1H; Thu, 27 Jan 2022 19:39:10 +0000 Date: Fri, 28 Jan 2022 03:39:00 +0800 From: kernel test robot To: David Hildenbrand Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [davidhildenbrand:single_zone 4/4] drivers/base/memory.c:648:14: warning: no previous prototype for 'early_node_zone_for_memory_block' Message-ID: <202201280300.xX8fHtiK-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: git://github.com/davidhildenbrand/linux single_zone head: 176a3d535903312944f7489127f520c5494bc810 commit: 176a3d535903312944f7489127f520c5494bc810 [4/4] tmp config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220128/202201280300.xX8fHtiK-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/davidhildenbrand/linux/commit/176a3d535903312944f7489127f520c5494bc810 git remote add davidhildenbrand git://github.com/davidhildenbrand/linux git fetch --no-tags davidhildenbrand single_zone git checkout 176a3d535903312944f7489127f520c5494bc810 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/base/memory.c:648:14: warning: no previous prototype for 'early_node_zone_for_memory_block' [-Wmissing-prototypes] 648 | struct zone *early_node_zone_for_memory_block(int nid, struct memory_block *mem) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/early_node_zone_for_memory_block +648 drivers/base/memory.c 647 > 648 struct zone *early_node_zone_for_memory_block(int nid, struct memory_block *mem) 649 { 650 const unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr); 651 const unsigned long nr_pages = PAGES_PER_SECTION * sections_per_block; 652 653 struct zone *zone, *matching_zone = NULL; 654 pg_data_t *pgdat = NODE_DATA(nid); 655 int i; 656 657 /* 658 * This logic only works for early memory, when the applicable zones 659 * already span the memory block. We don't expect overlapping zones on 660 * a single node for early memory. So if we're told that some pfns 661 * of a node fall into this memory block, we can assume that all node 662 * zones that intersect with the memory block are actually applicable. 663 * No need to look at the memmap. 664 * 665 * Memory hot(un)plug updates the zone manually after memory 666 * onlinig/offlining succeed. 667 */ 668 for (i = 0; i < MAX_NR_ZONES; i++) { 669 zone = pgdat->node_zones + i; 670 if (!populated_zone(zone)) 671 continue; 672 if (!zone_intersects(zone, start_pfn, nr_pages)) 673 continue; 674 if (!matching_zone) { 675 matching_zone = zone; 676 continue; 677 } 678 /* Spans multiple zones ... */ 679 matching_zone = NULL; 680 break; 681 } 682 return matching_zone; 683 } 684 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org