From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 5E8341E0DDA for ; Mon, 2 Dec 2024 22:07:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733177262; cv=none; b=PUx/AzOVIYsHLNwaLEc3SsblsxaBs4M9rj7TBH7ov0gk15n3wcJpk57dAXYa9j9VgmvifOCyRk0Pqf7HBEO1S0yepdkVbuFknHt+JwFAZpII0SzFASyQj0VyqBWwQbVcxGcz+5DbuKD8HT1c5Lt2bgQ8UxHopbIAhzP+VsZIygU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733177262; c=relaxed/simple; bh=/7uOvTHO15DE4mt5obi8ozfgCwJ7keTUXgu3dpCOCGw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZUuKDD9N5L2vYM3bx/H44BeQIGr3iAztCi3AtDnKK69W0K3wQCGEI5ShMGjL11G8i9Fi9msPvZ1A0OsNJRtaO3/FvDA7yH6qFcMclvGr4qQfmZsHnzPjRl/eaxgA/OAUucVcZmmZmCc6jefH6vAaD3LnQAG/ndwk2RH5QnXX26U= 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=ERP9yDVO; arc=none smtp.client-ip=192.198.163.17 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="ERP9yDVO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1733177260; x=1764713260; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=/7uOvTHO15DE4mt5obi8ozfgCwJ7keTUXgu3dpCOCGw=; b=ERP9yDVOVQ3+ABs8sfGG0Aa3Hd8iyifMp9pvwUdBP9/rjrMT5USh4N67 FS1aqOKFdZDwbN+92t5DRoA+V+OQQj7Q3oVPQD7Ky5hkkI3xlQybYQL8i aF99QIKA9IkOFhY6IuprVeTCKudUD9LJ97x9j5WSsaP6LbpuIkOOypieL 2i0uzOqigU124bJhTTgI+Dg0rW5SfvzkHugMBJ2wUwMsWde7JN/TIu+7N 1fLCzddvkU7eynPZv3RFJidoXQ4j0ibwQC3yEqYGVs3AfOq9YIvsUg0kB 1zCzN3OyAYK2EUfAjVeT6MhpRiwEAaN84ll7mfjLNDNmYS3KOreWPOMB/ Q==; X-CSE-ConnectionGUID: n3QVjsMGRd6wdO1whRwAmQ== X-CSE-MsgGUID: VtqCEpiXS5mmFk4Kwm1nyg== X-IronPort-AV: E=McAfee;i="6700,10204,11274"; a="33295916" X-IronPort-AV: E=Sophos;i="6.12,203,1728975600"; d="scan'208";a="33295916" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Dec 2024 14:07:40 -0800 X-CSE-ConnectionGUID: +hVLYfDWS2a+a036nLZKFA== X-CSE-MsgGUID: DAbXJg+5QAKTVpTmxF/TxQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,203,1728975600"; d="scan'208";a="98009834" Received: from lkp-server02.sh.intel.com (HELO 36a1563c48ff) ([10.239.97.151]) by fmviesa004.fm.intel.com with ESMTP; 02 Dec 2024 14:07:37 -0800 Received: from kbuild by 36a1563c48ff with local (Exim 4.96) (envelope-from ) id 1tIEZr-0002wv-0X; Mon, 02 Dec 2024 22:07:35 +0000 Date: Tue, 3 Dec 2024 06:07:03 +0800 From: kernel test robot To: Frank van der Linden , linux-mm@kvack.org, akpm@linux-foundation.org Cc: oe-kbuild-all@lists.linux.dev, Muchun Song , Miaohe Lin , Oscar Salvador , David Hildenbrand , Peter Xu , linux-kernel@vger.kernel.org, Frank van der Linden Subject: Re: [PATCH] mm/hugetlb: optionally pre-zero hugetlb pages Message-ID: <202412030519.W14yll4e-lkp@intel.com> References: <20241202202058.3249628-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241202202058.3249628-1-fvdl@google.com> Hi Frank, kernel test robot noticed the following build warnings: [auto build test WARNING on v6.12] [cannot apply to akpm-mm/mm-everything brauner-vfs/vfs.all linus/master v6.13-rc1 next-20241128] [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/Frank-van-der-Linden/mm-hugetlb-optionally-pre-zero-hugetlb-pages/20241203-042817 base: v6.12 patch link: https://lore.kernel.org/r/20241202202058.3249628-1-fvdl%40google.com patch subject: [PATCH] mm/hugetlb: optionally pre-zero hugetlb pages config: powerpc-ps3_defconfig (https://download.01.org/0day-ci/archive/20241203/202412030519.W14yll4e-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241203/202412030519.W14yll4e-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/202412030519.W14yll4e-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/hugetlb.c: In function 'prezero_enabled_store': >> mm/hugetlb.c:4290:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 4290 | int err; | ^~~ vim +/err +4290 mm/hugetlb.c 4284 4285 static ssize_t prezero_enabled_store(struct kobject *kobj, 4286 struct kobj_attribute *attr, 4287 const char *buf, size_t count) 4288 { 4289 struct hstate *h; > 4290 int err; 4291 long val; 4292 bool prezero_enabled; 4293 4294 err = kstrtol(buf, 10, &val); 4295 if (val != 0 && val != 1) 4296 return -EINVAL; 4297 4298 prezero_enabled = !!val; 4299 4300 h = kobj_to_hstate(kobj, NULL); 4301 if (prezero_enabled == h->prezero_enabled) 4302 return count; 4303 4304 h->prezero_enabled = prezero_enabled; 4305 4306 mem_hotplug_begin(); 4307 khzerod_run_hstate(h); 4308 mem_hotplug_done(); 4309 4310 return count; 4311 } 4312 HSTATE_ATTR(prezero_enabled); 4313 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki