From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 130392836BE; Tue, 22 Jul 2025 21:40:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753220449; cv=none; b=B6bClvjB2omrouF+R97OYNaiM2VkMWgIRzMDBNrpu28s3hZXjU+4Q8hVW1v7i8AmBjhLD3O7GWojykiT32tIDC/f0PrjBvs0zFbIw2RVFcvZTMrWgAjcC1HQWYad3Ocl+F2Lq3/8PdtG5CgmJnkrEQgV4VLbvDv7QsXAXgaEV1c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753220449; c=relaxed/simple; bh=qiReswE8/+4iVK+wineobsk/lyxBNtH9smHzwQ1PNpQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tx+0k8+sZWHrdHkfXmM14CsmvlCpIK98w2QEl/ZaLr/JxF+ogUC2dVzeGMn9I3ElsWtxDlrBOZfrVGunVwz3sEPeT7zWq/g5CvSgpDeYheK+0e1xSWsTtmnEjl7taAhRGExkhMUOfLOZSsh9tyfGZorSAGpS/jmbUncIIQ8T+10= 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=Op1G5WdA; arc=none smtp.client-ip=192.198.163.10 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="Op1G5WdA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1753220448; x=1784756448; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qiReswE8/+4iVK+wineobsk/lyxBNtH9smHzwQ1PNpQ=; b=Op1G5WdAMiVDNjBRQ69+346oEMexqt/pQfzVdXBRIiGFTGu7nboB8o9o UmlWLEoWRB/EMpamGrCMFKtJgyBXKR7NlyG4vfP3eqQ7TcVsCf5vjbRAR W//pRrYVP0ODGgJjU6QWqSwA6Mi48RpjiShDqdtLITjYjCHmMxa8H9sEs F9A9+q/jhD1V5tmn4E7qgUkPcPh6B1C2QS00MBYBcG+JTLc8WNfmT8VzH j01xrZQ3Ix1das7Vh8ii9GNA/RSQFIaSyJLlxxS719pc502dkQwMAzpkZ fDW9+jbIEbrKIKfbp88LrRStb2PFs39kCuuJvd9eLNePJZ8e+rPUes7xV Q==; X-CSE-ConnectionGUID: iJFm8O6VS5WP7pG46/8J7g== X-CSE-MsgGUID: FD8OdIsOR6qqAblBPqBpRg== X-IronPort-AV: E=McAfee;i="6800,10657,11500"; a="66829973" X-IronPort-AV: E=Sophos;i="6.16,332,1744095600"; d="scan'208";a="66829973" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2025 14:40:47 -0700 X-CSE-ConnectionGUID: IYD1rorpRraSq8kzCk+mCQ== X-CSE-MsgGUID: k+VwqMUtSM6o59wVqaBPuw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,332,1744095600"; d="scan'208";a="196340436" Received: from lkp-server01.sh.intel.com (HELO 9ee84586c615) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 22 Jul 2025 14:40:45 -0700 Received: from kbuild by 9ee84586c615 with local (Exim 4.96) (envelope-from ) id 1ueKj4-000IjH-36; Tue, 22 Jul 2025 21:40:42 +0000 Date: Wed, 23 Jul 2025 05:40:04 +0800 From: kernel test robot To: Jia He , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Jia He Subject: Re: [PATCH] mm: percpu: Introduce normalized CPU-to-NUMA node mapping to reduce max_distance Message-ID: <202507230509.juShbryQ-lkp@intel.com> References: <20250722041418.2024870-1-justin.he@arm.com> Precedence: bulk X-Mailing-List: llvm@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: <20250722041418.2024870-1-justin.he@arm.com> Hi Jia, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Jia-He/mm-percpu-Introduce-normalized-CPU-to-NUMA-node-mapping-to-reduce-max_distance/20250722-121559 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250722041418.2024870-1-justin.he%40arm.com patch subject: [PATCH] mm: percpu: Introduce normalized CPU-to-NUMA node mapping to reduce max_distance config: arm64-randconfig-001-20250722 (https://download.01.org/0day-ci/archive/20250723/202507230509.juShbryQ-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 853c343b45b3e83cc5eeef5a52fc8cc9d8a09252) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250723/202507230509.juShbryQ-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/202507230509.juShbryQ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/base/arch_numa.c:154:12: warning: no previous prototype for function 'early_cpu_to_norm_node' [-Wmissing-prototypes] 154 | int __init early_cpu_to_norm_node(int cpu) | ^ drivers/base/arch_numa.c:154:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 154 | int __init early_cpu_to_norm_node(int cpu) | ^ | static 1 warning generated. vim +/early_cpu_to_norm_node +154 drivers/base/arch_numa.c 153 > 154 int __init early_cpu_to_norm_node(int cpu) 155 { 156 return cpu_to_norm_node_map[cpu]; 157 } 158 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki