From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0434D53A7; Sun, 21 Apr 2024 03:44:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713671066; cv=none; b=IwwfQdOUs/tZEeTkxIYgwdg+zuzCwA/Q45un9pOSmpGxCf9C4N0Z0SWZPNTBxpUkDQpNHUVt15t4Zk8PCRrEzaYnunMdh0DD9qU68HZCyUl3HPr19dwJhmNd3b1CjgVp3MNaew6eAztR/3KTrEyFOKfk2phH1gLCs23BOxj6k4g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713671066; c=relaxed/simple; bh=qfXRZtjXybPkF602l1lJ7S7tfxomP0pt4Mo8OKeTyMk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ARGC5oe60XGE+lP9GTBUwa4AHbPpWEW5PQcgMVeIIXNXW9O1XDfdm1IZ4jcow1q9jr+QMx0Xb8KmcA0vIiu5v2718xUtlmbGzwvdLHYjVSjV+6TYBBpWQIQflp3WACqNM5SlyirA83x/kyFpnheva6srCnPkFZnAquq0/Z+WuNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=JEKILsPj; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JEKILsPj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713671060; x=1745207060; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qfXRZtjXybPkF602l1lJ7S7tfxomP0pt4Mo8OKeTyMk=; b=JEKILsPjh5iVC+R4l7neAESQ43lYkZnGtz5IdVq1tGx6GCDENxD56Si9 PUV6PSBMN7vlDy/I7vFRoU4KqXovDBXPxULjEGhaVq3isJ7k8yL74n5Ui ++wfgDLTaI1jaZAnZoipJO17XGUFc4EXHovU4GYmpZ5E/MFSA3lP+Q6o0 zxqkKSb9/ziz1Tzdtj9LBOOd/99/MJYBm2bRiyRjDiZoaCUSgaIsjbt+H B6gI1E5NPZRs/kAdakuieoedDFmG57JYVRJISjHvRE9+lfDszF4KWG7LN Ts7a5urqtZq4vz2ORRGWGNKmcDXTy4TsHqvJtBoErt+czqJ7DHJIYhqGV A==; X-CSE-ConnectionGUID: rztsdhlgQS+W5Q3ql3s0yg== X-CSE-MsgGUID: gnL5BAytR1SIhhKEqRNNjA== X-IronPort-AV: E=McAfee;i="6600,9927,11050"; a="20374189" X-IronPort-AV: E=Sophos;i="6.07,217,1708416000"; d="scan'208";a="20374189" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2024 20:44:15 -0700 X-CSE-ConnectionGUID: l3UU0oy8RsyqQHta8u4V5A== X-CSE-MsgGUID: 20nxQJxlR0aOhoH1s1hl3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,217,1708416000"; d="scan'208";a="23751070" Received: from unknown (HELO 23c141fc0fd8) ([10.239.97.151]) by fmviesa010.fm.intel.com with ESMTP; 20 Apr 2024 20:44:11 -0700 Received: from kbuild by 23c141fc0fd8 with local (Exim 4.96) (envelope-from ) id 1ryO7c-000BfQ-2j; Sun, 21 Apr 2024 03:44:08 +0000 Date: Sun, 21 Apr 2024 11:43:38 +0800 From: kernel test robot To: zhenwei pi , linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux.dev Cc: oe-kbuild-all@lists.linux.dev, mst@redhat.com, david@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, akpm@linux-foundation.org, zhenwei pi Subject: Re: [PATCH 2/3] virtio_balloon: introduce memory allocation stall counter Message-ID: <202404211106.B9pwuFqk-lkp@intel.com> References: <20240418062602.1291391-3-pizhenwei@bytedance.com> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240418062602.1291391-3-pizhenwei@bytedance.com> Hi zhenwei, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.9-rc4 next-20240419] [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/zhenwei-pi/virtio_balloon-introduce-oom-kill-invocations/20240418-142934 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240418062602.1291391-3-pizhenwei%40bytedance.com patch subject: [PATCH 2/3] virtio_balloon: introduce memory allocation stall counter config: i386-randconfig-141-20240421 (https://download.01.org/0day-ci/archive/20240421/202404211106.B9pwuFqk-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240421/202404211106.B9pwuFqk-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202404211106.B9pwuFqk-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/virtio/virtio_balloon.c:324:18: warning: unused variable 'stall' [-Wunused-variable] 324 | long available, stall = 0; | ^~~~~ 1 warning generated. vim +/stall +324 drivers/virtio/virtio_balloon.c 318 319 static unsigned int update_balloon_stats(struct virtio_balloon *vb) 320 { 321 unsigned long events[NR_VM_EVENT_ITEMS]; 322 struct sysinfo i; 323 unsigned int idx = 0; > 324 long available, stall = 0; 325 unsigned long caches; 326 327 all_vm_events(events); 328 si_meminfo(&i); 329 330 available = si_mem_available(); 331 caches = global_node_page_state(NR_FILE_PAGES); 332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki