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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E942C77B7E for ; Sun, 28 May 2023 01:45:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 62BEA900003; Sat, 27 May 2023 21:45:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5DC8B900002; Sat, 27 May 2023 21:45:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4A388900003; Sat, 27 May 2023 21:45:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 3A7CD900002 for ; Sat, 27 May 2023 21:45:01 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 0343414030C for ; Sun, 28 May 2023 01:45:00 +0000 (UTC) X-FDA: 80837970402.09.FB9AD35 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf15.hostedemail.com (Postfix) with ESMTP id 21431A0010 for ; Sun, 28 May 2023 01:44:56 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=C1ELRIqE; spf=pass (imf15.hostedemail.com: domain of lkp@intel.com designates 134.134.136.20 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1685238298; a=rsa-sha256; cv=none; b=EnxMIyllWggq5XV3HeefD+Oyz/94b1cOiovMaVtzyjGGqLCJOLUZ/zZuojvy47ivWENr3b MatyUZ47+P5evofFcQsiqS7EByCHuwHr5Ws0zy4AGKM4lkeaio5+T3NPU++cBlxlklNHXx oQAb/Kn9Ps/0Sb/5u67eq0+ssAeXThY= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=C1ELRIqE; spf=pass (imf15.hostedemail.com: domain of lkp@intel.com designates 134.134.136.20 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1685238298; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=L3w/V4js+HY6te9ffS7YL3P2n4gUGXMwZO3eb3RaprE=; b=bZZjT8RgDJ1i0IpEUhlsmWkcxYoJ/ind/5eViOwP0O3UEjlAnGD/K9b6sL6QIowu+2JKmX 2RKvK6uaL/M+WMjZJ1p94+Qse1LGwBCoEe1Br85FIT0mVLB1Jo4tSCDjQMCDwul5sr3phj Qf6Nd9jGB87RQW/gKhOeb1eaQ793TJg= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1685238297; x=1716774297; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Gll6v8zxfLENN56Xlc2FVXBXa2vDekhM1BJGuQkgYbQ=; b=C1ELRIqE/K0F0OaF08aHekVPMy1gbLfyt/tK19t7JrTUHEYc7A/j2Bto jDhiYaLfkpgAfvqdjJ3XCHvPXu00ff+zvmywFUJKa5pQIYlj+8at/hCR5 NDkSfQfa8iFCSX/ClfZVbrtF++FCvqZDm3gvnqadmuDNdAvej43uqOJya QgT0Uvk1/PNf7shrpmmzGtEithQfLXlJygbrVb9ZBhUXTxYKdC0dOTHgV eUsQWz4g6VZRyasoKuye/lBAxVTXDvo4Ezl/ztyLaJPayqnHsXwNyFZ8i QifYRNrmW7dF7eTXrz0vbYLowwS1b1O5BUVCjJNOwFMxnRgzC3p5SK1iE Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10723"; a="343968775" X-IronPort-AV: E=Sophos;i="6.00,198,1681196400"; d="scan'208";a="343968775" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2023 18:44:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10723"; a="736420199" X-IronPort-AV: E=Sophos;i="6.00,198,1681196400"; d="scan'208";a="736420199" Received: from lkp-server01.sh.intel.com (HELO dea6d5a4f140) ([10.239.97.150]) by orsmga008.jf.intel.com with ESMTP; 27 May 2023 18:44:52 -0700 Received: from kbuild by dea6d5a4f140 with local (Exim 4.96) (envelope-from ) id 1q35Sl-000KMu-0y; Sun, 28 May 2023 01:44:51 +0000 Date: Sun, 28 May 2023 09:44:10 +0800 From: kernel test robot To: Zhen Lei , Eric Biederman , Baoquan He , kexec@lists.infradead.org, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Zhen Lei , Michael Holzheu , Andrew Morton , Linux Memory Management List , Amerigo Wang Subject: Re: [PATCH 5/6] kexec: add helper __crash_shrink_memory() Message-ID: <202305280949.yYtbjy5B-lkp@intel.com> References: <20230527123439.772-6-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230527123439.772-6-thunder.leizhen@huawei.com> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 21431A0010 X-Stat-Signature: de8mkao1rk9ndp93rnojgqd8rzactwcg X-Rspam-User: X-HE-Tag: 1685238296-262155 X-HE-Meta: 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 i8SFabjp 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Zhen, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.4-rc3 next-20230525] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zhen-Lei/kexec-fix-a-memory-leak-in-crash_shrink_memory/20230527-203821 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230527123439.772-6-thunder.leizhen%40huawei.com patch subject: [PATCH 5/6] kexec: add helper __crash_shrink_memory() config: mips-randconfig-r012-20230528 (https://download.01.org/0day-ci/archive/20230528/202305280949.yYtbjy5B-lkp@intel.com/config) compiler: mipsel-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/dea97cef503d26e05d0e11818ae44176056ddf64 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Zhen-Lei/kexec-fix-a-memory-leak-in-crash_shrink_memory/20230527-203821 git checkout dea97cef503d26e05d0e11818ae44176056ddf64 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202305280949.yYtbjy5B-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/kexec_core.c:1108:5: warning: no previous prototype for '__crash_shrink_memory' [-Wmissing-prototypes] 1108 | int __crash_shrink_memory(struct resource *old_res, unsigned long new_size) | ^~~~~~~~~~~~~~~~~~~~~ vim +/__crash_shrink_memory +1108 kernel/kexec_core.c 1107 > 1108 int __crash_shrink_memory(struct resource *old_res, unsigned long new_size) 1109 { 1110 struct resource *ram_res; 1111 1112 ram_res = kzalloc(sizeof(*ram_res), GFP_KERNEL); 1113 if (!ram_res) 1114 return -ENOMEM; 1115 1116 ram_res->start = old_res->start + new_size; 1117 ram_res->end = old_res->end; 1118 ram_res->flags = IORESOURCE_BUSY | IORESOURCE_SYSTEM_RAM; 1119 ram_res->name = "System RAM"; 1120 1121 if (!new_size) { 1122 release_resource(old_res); 1123 old_res->start = 0; 1124 old_res->end = 0; 1125 } else { 1126 crashk_res.end = ram_res->start - 1; 1127 } 1128 1129 crash_free_reserved_phys_range(ram_res->start, ram_res->end); 1130 insert_resource(&iomem_resource, ram_res); 1131 1132 return 0; 1133 } 1134 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki