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 D6DDBC433F5 for ; Wed, 6 Apr 2022 14:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234648AbiDFOUF (ORCPT ); Wed, 6 Apr 2022 10:20:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235792AbiDFOTF (ORCPT ); Wed, 6 Apr 2022 10:19:05 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E44131DEC2A for ; Tue, 5 Apr 2022 19:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1649212967; x=1680748967; h=date:from:to:cc:subject:message-id:mime-version; bh=XqZiME2WI/xF09uZoYLGxX4vJjPqXlqi0xTQO1zAkVo=; b=It20CEUDRw+DziUT5eySlzw+xryTC4OvuJnmBJE70fla5rIix18dFuOJ D8WJDHEFUB5QbuKERqdfSzcJo0N78XI6WnMXgX8z7vs3ZwcDx6X5K+ue4 B+4KOpCx8QUlFCJ3ivaVUlhnn9FElcYXJ6tbG27gVjD7QKXA34oe80HZy 3UH8IdlumdJQg88m5i9I/6zNhZEWwP80haRnrhljWIBogqYCNfo9zpYbB ZL6n5N1mwuPbHd+zCRqGkMu7AVQdAWtq/QHuceGER5vN5vberMrjbpch+ Dao6DEj466EIuTu0GVkqKwFZqBLvc9wIZxoa1gYfab/UBO3RvDlSjChfQ Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10308"; a="260926160" X-IronPort-AV: E=Sophos;i="5.90,238,1643702400"; d="scan'208";a="260926160" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Apr 2022 19:42:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,238,1643702400"; d="scan'208";a="523739696" Received: from lkp-server02.sh.intel.com (HELO a44fdfb70b94) ([10.239.97.151]) by orsmga002.jf.intel.com with ESMTP; 05 Apr 2022 19:42:46 -0700 Received: from kbuild by a44fdfb70b94 with local (Exim 4.95) (envelope-from ) id 1nbvd7-000400-FO; Wed, 06 Apr 2022 02:42:45 +0000 Date: Wed, 6 Apr 2022 10:42:25 +0800 From: kernel test robot To: Omar Sandoval Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Johannes Weiner , Andrew Morton , Linux Memory Management List Subject: [hnaz-mm:master 16/188] mm/vmalloc.c:1747:6: warning: no previous prototype for 'iounmap_purge_vmap_area' Message-ID: <202204061005.jSc4B5gA-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: https://github.com/hnaz/linux-mm master head: 71e0d841ccd1c91e7038d385825e26342e87d198 commit: 56de161065643707f3a3a0fd0cc2c9e747148eae [16/188] mm/vmalloc: fix spinning drain_vmap_work after reading from /proc/vmcore config: um-x86_64_defconfig (https://download.01.org/0day-ci/archive/20220406/202204061005.jSc4B5gA-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-19) 11.2.0 reproduce (this is a W=1 build): # https://github.com/hnaz/linux-mm/commit/56de161065643707f3a3a0fd0cc2c9e747148eae git remote add hnaz-mm https://github.com/hnaz/linux-mm git fetch --no-tags hnaz-mm master git checkout 56de161065643707f3a3a0fd0cc2c9e747148eae # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> mm/vmalloc.c:1747:6: warning: no previous prototype for 'iounmap_purge_vmap_area' [-Wmissing-prototypes] 1747 | void iounmap_purge_vmap_area(void) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/iounmap_purge_vmap_area +1747 mm/vmalloc.c 1744 1745 #ifdef CONFIG_X86_64 1746 /* Called after iounmap() to immediately free vm_area_struct's. */ > 1747 void iounmap_purge_vmap_area(void) 1748 { 1749 mutex_lock(&vmap_purge_lock); 1750 __purge_vmap_area_lazy(ULONG_MAX, 0); 1751 mutex_unlock(&vmap_purge_lock); 1752 } 1753 #endif /* CONFIG_X86_64 */ 1754 -- 0-DAY CI Kernel Test Service https://01.org/lkp