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08 Apr 2022 00:39:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,244,1643702400"; d="scan'208";a="794490563" Received: from lkp-server02.sh.intel.com (HELO a44fdfb70b94) ([10.239.97.151]) by fmsmga006.fm.intel.com with ESMTP; 08 Apr 2022 00:39:28 -0700 Received: from kbuild by a44fdfb70b94 with local (Exim 4.95) (envelope-from ) id 1ncjDM-0006Az-0o; Fri, 08 Apr 2022 07:39:28 +0000 Date: Fri, 8 Apr 2022 15:38:53 +0800 From: kernel test robot To: zhanglianjie Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Luis Chamberlain , Andrew Morton , Linux Memory Management List Subject: [mcgrof:sysctl-testing 12/18] mm/page-writeback.c:93:28: warning: unused variable 'dirty_bytes_min' Message-ID: <202204081510.D41wQr6m-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) X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: D11CE1C0009 X-Stat-Signature: nda57fkprzby8wkbm5ueqht1s5zat3c7 X-Rspam-User: Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="Jitmud/t"; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf18.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 192.55.52.151) smtp.mailfrom=lkp@intel.com X-HE-Tag: 1649403571-522499 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-testing head: 7cde53da38a3ea00d75ef6a6ab06fa85b80bcf87 commit: 87125d15aa3c4046e902758a39062f213b3664ad [12/18] mm: move page-writeback sysctls to their own file config: s390-randconfig-r034-20220406 (https://download.01.org/0day-ci/archive/20220408/202204081510.D41wQr6m-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 6b306233f78876a1d197ed6e1f05785505de7c63) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/commit/?id=87125d15aa3c4046e902758a39062f213b3664ad git remote add mcgrof https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git git fetch --no-tags mcgrof sysctl-testing git checkout 87125d15aa3c4046e902758a39062f213b3664ad # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 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/page-writeback.c:93:28: warning: unused variable 'dirty_bytes_min' [-Wunused-const-variable] static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE; ^ 1 warning generated. vim +/dirty_bytes_min +93 mm/page-writeback.c 91 92 /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ > 93 static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE; 94 -- 0-DAY CI Kernel Test Service https://01.org/lkp