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 AB6C5188A0C; Sat, 20 Sep 2025 07:43:32 +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=1758354214; cv=none; b=QTBZiWihHp9K8nkiY0aqJ2d6oqpSR7wRv+mNOrcPsBLLX22Beh/rhksKjqU+fas/msNv+WBUycGBYKdGvMHUTQgxWk9kUgQKQCqEpZj1fjlaKM56gS8pouPhQyaCN4gZ8S/I19OrtXeTkXdI2Xh1efQ0na41RFqtBpymE/pf5RI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758354214; c=relaxed/simple; bh=kEwh/ekCl/otnpe61Q+7M++Qui9Q62NvcImp583uS/s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sIQWsGYgHRQ0jTQ9x03pi1DFAFYa5F00eMHAulePLw0dgp8VGyfRIdFPNWfAiU824y2sgQVgbH+TNFpCWqSrpHe+IWAiqYU9iDhxrvJjIaRM6TLEInBRRqBa5gs5OOSbwvuygsXSNh8x00O93ePbgMnaGWd8xrlicyTFasYg2oo= 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=f9UA6nkz; 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="f9UA6nkz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758354213; x=1789890213; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kEwh/ekCl/otnpe61Q+7M++Qui9Q62NvcImp583uS/s=; b=f9UA6nkzE5xE0ibrfRk/qti7srvCUO8aQPu3q3SvhkLMuhtWWNiTs0dK /hy1lhaneU9DtdYqBwNCfPNFtYo4IgHyFs3OWnSUEls+HXVAmmLQVLZ+T aeOJewzhms9ACi0jm/DxZp059nxqKhggC0XOjL9kBO4j9m+/Z3EBKlvkS 6CIM7UE0126PGmP7ZLFUgEMn/6Tazl8en7egNZ+rphv+SvWtxdkfOIZyX VZoiFt81cyHF0vBm4rz2A3N/Ikg+pcQqn9Z3/ZV7CdCjQAdJpWB63ZJEP WmdeIdwhJq4w976FcJRomwaGrRjuDpQt9UUPSaOXl7OMH4q4Og0Er+c+v w==; X-CSE-ConnectionGUID: aR5VbE9ESP6JQ2/tWG7kfA== X-CSE-MsgGUID: oCfVBuW6R+ehxiw5WF3scw== X-IronPort-AV: E=McAfee;i="6800,10657,11558"; a="71798360" X-IronPort-AV: E=Sophos;i="6.18,280,1751266800"; d="scan'208";a="71798360" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Sep 2025 00:43:33 -0700 X-CSE-ConnectionGUID: XhG2d+HRTmeSVCMqd9nXog== X-CSE-MsgGUID: YTridhCOTma5012IF8a9Lw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,280,1751266800"; d="scan'208";a="206968748" Received: from lkp-server01.sh.intel.com (HELO 84a20bd60769) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 20 Sep 2025 00:43:27 -0700 Received: from kbuild by 84a20bd60769 with local (Exim 4.96) (envelope-from ) id 1uzsFh-00058h-0d; Sat, 20 Sep 2025 07:43:25 +0000 Date: Sat, 20 Sep 2025 15:43:18 +0800 From: kernel test robot To: Qi Zheng , hannes@cmpxchg.org, hughd@google.com, mhocko@suse.com, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, david@redhat.com, lorenzo.stoakes@oracle.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, akpm@linux-foundation.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Qi Zheng Subject: Re: [PATCH 4/4] mm: thp: reparent the split queue during memcg offline Message-ID: <202509201556.QAvYX4v3-lkp@intel.com> References: 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: Hi Qi, kernel test robot noticed the following build errors: [auto build test ERROR on next-20250918] [also build test ERROR on v6.17-rc6] [cannot apply to akpm-mm/mm-everything rppt-memblock/for-next rppt-memblock/fixes linus/master v6.17-rc6 v6.17-rc5 v6.17-rc4] [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/Qi-Zheng/mm-thp-replace-folio_memcg-with-folio_memcg_charged/20250919-115219 base: next-20250918 patch link: https://lore.kernel.org/r/bbe3bf8bfce081fdf0815481b2a0c83b89b095b8.1758253018.git.zhengqi.arch%40bytedance.com patch subject: [PATCH 4/4] mm: thp: reparent the split queue during memcg offline config: x86_64-randconfig-004-20250920 (https://download.01.org/0day-ci/archive/20250920/202509201556.QAvYX4v3-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250920/202509201556.QAvYX4v3-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/202509201556.QAvYX4v3-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memcontrol.c:3890:2: error: call to undeclared function 'reparent_deferred_split_queue'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 3890 | reparent_deferred_split_queue(memcg); | ^ 1 error generated. vim +/reparent_deferred_split_queue +3890 mm/memcontrol.c 3877 3878 static void mem_cgroup_css_offline(struct cgroup_subsys_state *css) 3879 { 3880 struct mem_cgroup *memcg = mem_cgroup_from_css(css); 3881 3882 memcg1_css_offline(memcg); 3883 3884 page_counter_set_min(&memcg->memory, 0); 3885 page_counter_set_low(&memcg->memory, 0); 3886 3887 zswap_memcg_offline_cleanup(memcg); 3888 3889 memcg_offline_kmem(memcg); > 3890 reparent_deferred_split_queue(memcg); 3891 reparent_shrinker_deferred(memcg); 3892 wb_memcg_offline(memcg); 3893 lru_gen_offline_memcg(memcg); 3894 3895 drain_all_stock(memcg); 3896 3897 mem_cgroup_id_put(memcg); 3898 } 3899 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki