From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 C84EF3815E2 for ; Thu, 29 Jan 2026 11:24:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769685895; cv=none; b=t9Bkjm546GGMT/oQ1wO9WNF+nOYj4HfEWnQyna5FqDbwk3GR/8iT78dDE/fG17BvFPoT14XZqE/yWxfMMoTfKkscl35q5ZT8YNlZC9/J0Sk9oMXJolfF7EhnQlSPB/aod1CCwIkk6PnCpr/R+1+5r5qZSau8PkNgrehVcK6xHXg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769685895; c=relaxed/simple; bh=vftR1/o4cmK625cN3zhb2Ja114CrtM2i4C9g1yhV1gg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NxtSaU614ysA17jhGPixaD99Xt+FEVpY5184GBVCN78wuYeJmehKMWH1oOPVGXQl13ctrk/z4wWno9apD7X9XqjSdZnGBxS92B490NdiYM299u1wOCVvqQcs8QgJgw3jZFMz/Zbo2qw2ku2OJuEok1SUkiDrcwJyLOsaHe+C090= 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=OA7QzavQ; arc=none smtp.client-ip=198.175.65.19 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="OA7QzavQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769685893; x=1801221893; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=vftR1/o4cmK625cN3zhb2Ja114CrtM2i4C9g1yhV1gg=; b=OA7QzavQ4pWhBTJLub5rEatIS9a1FWD9b6PbUkUcrFDoWeU458w9eDiy ZcmrowTlYsBPRo5/nrTbbNT2CqJQfPHWYwkkjtakwdvSXOK1nKb743/X8 P/dfDigYhJ4iznIgm13g4H+hk1kObhfHEvznvY2+UcfdsWZMtY8aH3wnM U2mqjKI1ayjxv3xveonYcFIyIm7NVM9NNApF8DcRdfIddRwc9ertc0yYO /5RMQ2M4a6qJahggxVxIjIX3UErFaojcURWPYk0ec2pn7BS7O9oj9W3Fx 7tupzMwc7aplbS6UvnNqzV+A6RjhoQSAJ/dEwC/RF1PWgePkLqSObPMHI A==; X-CSE-ConnectionGUID: h1pPiEepSvqwD3Oi+WAnqw== X-CSE-MsgGUID: +JZ+IcHUQQefTn7BBqpOMw== X-IronPort-AV: E=McAfee;i="6800,10657,11685"; a="70816293" X-IronPort-AV: E=Sophos;i="6.21,260,1763452800"; d="scan'208";a="70816293" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2026 03:24:53 -0800 X-CSE-ConnectionGUID: 53pFctYUQ8GuwrH8YGY37w== X-CSE-MsgGUID: HD9j0Xk4RMeCMWEyPglemA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,260,1763452800"; d="scan'208";a="208456944" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 29 Jan 2026 03:24:50 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vlQ8l-00000000bPU-3DwV; Thu, 29 Jan 2026 11:24:47 +0000 Date: Thu, 29 Jan 2026 19:24:45 +0800 From: kernel test robot To: Qiliang Yuan , Ingo Molnar , Juri Lelli , Vincent Guittot Cc: oe-kbuild-all@lists.linux.dev, Qiliang Yuan , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4] sched/fair: Cache NUMA node statistics to avoid O(N) scanning Message-ID: <202601291924.phVnpnOi-lkp@intel.com> References: <20260129031948.2384178-1-realwujing@gmail.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: <20260129031948.2384178-1-realwujing@gmail.com> Hi Qiliang, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/sched/core] [also build test WARNING on tip/master peterz-queue/sched/core linus/master v6.19-rc7 next-20260128] [cannot apply to tip/auto-latest] [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/Qiliang-Yuan/sched-fair-Cache-NUMA-node-statistics-to-avoid-O-N-scanning/20260129-112302 base: tip/sched/core patch link: https://lore.kernel.org/r/20260129031948.2384178-1-realwujing%40gmail.com patch subject: [PATCH v4] sched/fair: Cache NUMA node statistics to avoid O(N) scanning config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20260129/202601291924.phVnpnOi-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260129/202601291924.phVnpnOi-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/202601291924.phVnpnOi-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/sched/build_utility.c:86: kernel/sched/topology.c: In function 'init_rootdomain': >> kernel/sched/topology.c:574:1: warning: label 'free_cpupri' defined but not used [-Wunused-label] 574 | free_cpupri: | ^~~~~~~~~~~ vim +/free_cpupri +574 kernel/sched/topology.c 571 572 return 0; 573 > 574 free_cpupri: 575 cpupri_cleanup(&rd->cpupri); 576 free_cpudl: 577 cpudl_cleanup(&rd->cpudl); 578 free_rto_mask: 579 free_cpumask_var(rd->rto_mask); 580 free_dlo_mask: 581 free_cpumask_var(rd->dlo_mask); 582 free_online: 583 free_cpumask_var(rd->online); 584 free_span: 585 free_cpumask_var(rd->span); 586 out: 587 return -ENOMEM; 588 } 589 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki