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X-CSE-ConnectionGUID: VIAV5DMvTcuO92LtcENWmA== X-CSE-MsgGUID: WbzOXHDhSXiiB6rShR5wfg== X-IronPort-AV: E=McAfee;i="6800,10657,11935"; a="705785" X-IronPort-AV: E=Sophos;i="6.27,159,1787036400"; d="scan'208";a="705785" Received: from fmviesa012.fm.intel.com ([10.60.135.152]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2026 22:07:53 -0700 X-CSE-ConnectionGUID: vWmQz1fcQdOEqrNQm9ZkVw== X-CSE-MsgGUID: pi78vQZ4TPmTkOcNhE/Opw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,159,1787036400"; d="scan'208";a="3360663" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa012.fm.intel.com with ESMTP; 14 Oct 2026 22:07:47 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xHDgu-00000000FqN-09LI; Thu, 15 Oct 2026 05:07:44 +0000 Date: Thu, 15 Oct 2026 13:07:35 +0800 From: kernel test robot To: Li Zhe , akpm@linux-foundation.org, david@kernel.org, ljs@kernel.org, gourry@gourry.net, joshua.hahnjy@gmail.com, ziy@nvidia.com, mingo@redhat.com, peterz@infradead.org, mgorman@suse.de, riel@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, vschneid@redhat.com, kprateek.nayak@amd.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Li Zhe Subject: Re: [PATCH 5/6] sched/numa: do not feed tiering promotions into task placement stats Message-ID: <202610151319.1QoCU2Pd-lkp@intel.com> References: <20261014094347.99157-6-lizhe.67@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261014094347.99157-6-lizhe.67@bytedance.com> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 406048000A X-Rspam-User: X-Stat-Signature: j5qrh88i3yckc787799pbc14sr8bz7hy X-HE-Tag: 1792040874-3556 X-HE-Meta: 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 GfoBg8l0 rTSBBL3XS2gcGfMcwK5VS1fx4EA1waoBwlS2oki+EicF7H1fq6oeHfimbg7Vb29dBWWkKhBVqMuQH6dhqyV5KBxAs3C9nD8Qmw6LNHw7fG/Rwq7enGlEEJZVCNwhGsMzm7T0NbMlJvILm+PPTroFZY0suiv6Sozm5RB92+v7DvQtjpmoiU7uhbaEelAN8cXo2e8iUCVGMZOrg3bfCNWOKRkOEzZYZPtEdY7wTG3em3HYRtRxSehKzI0EHNc9jVLOR9eaAJgucG05qVvyqhGO28thBErQ79VRAWG4Disv/GW796d2ZgpTIZWNABR4u1FiJYVvGcGBHVkg/RDS/WDEz9Op9/DFFMFOr9A/viaNV/xU4Enax9WoGMMEGAnQ5nTPd83oLBjWuHksKa2loISK9TsgfDqs2viT2vMysE+6TFZE7l4FnG+sny/OU5ZiAsejLO1vjKRN8mThlQTc= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Li, kernel test robot noticed the following build errors: [auto build test ERROR on tip/sched/core] [also build test ERROR on akpm-mm/mm-everything peterz-queue/sched/core linus/master v7.3-rc7 next-20261012] [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/Li-Zhe/sched-numa-clear-fault-locality-state-on-execve/20261014-174342 base: tip/sched/core patch link: https://lore.kernel.org/r/20261014094347.99157-6-lizhe.67%40bytedance.com patch subject: [PATCH 5/6] sched/numa: do not feed tiering promotions into task placement stats config: hexagon-allnoconfig (https://download.01.org/0day-ci/archive/20261015/202610151319.1QoCU2Pd-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 6719b9e31d6a93099612c474eec76d9f41d0275a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261015/202610151319.1QoCU2Pd-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/202610151319.1QoCU2Pd-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memory.c:6176:18: error: use of undeclared identifier 'LAST_CPUPID_ACCESS_TIME' 6176 | *last_cpupid = LAST_CPUPID_ACCESS_TIME; | ^~~~~~~~~~~~~~~~~~~~~~~ 1 error generated. vim +/LAST_CPUPID_ACCESS_TIME +6176 mm/memory.c 6147 6148 int numa_migrate_check(struct folio *folio, struct vm_fault *vmf, 6149 unsigned long addr, int *flags, 6150 bool writable, int *last_cpupid) 6151 { 6152 struct vm_area_struct *vma = vmf->vma; 6153 6154 /* 6155 * Avoid grouping on RO pages in general. RO pages shouldn't hurt as 6156 * much anyway since they can be in shared cache state. This misses 6157 * the case where a mapping is writable but the process never writes 6158 * to it but pte_write gets cleared during protection updates and 6159 * pte_dirty has unpredictable behaviour between PTE scan updates, 6160 * background writeback, dirty balancing and application behaviour. 6161 */ 6162 if (!writable) 6163 *flags |= TNF_NO_GROUP; 6164 6165 /* 6166 * Flag if the folio is shared between multiple address spaces. This 6167 * is later used when determining whether to group tasks together 6168 */ 6169 if (folio_maybe_mapped_shared(folio) && (vma->vm_flags & VM_SHARED)) 6170 *flags |= TNF_SHARED; 6171 /* 6172 * For memory tiering mode, cpupid of slow memory page is used 6173 * to record page access time. So use default value. 6174 */ 6175 if (folio_use_access_time(folio)) > 6176 *last_cpupid = LAST_CPUPID_ACCESS_TIME; 6177 else 6178 *last_cpupid = folio_last_cpupid(folio); 6179 6180 /* Record the current PID accessing VMA */ 6181 vma_set_access_pid_bit(vma); 6182 6183 count_vm_numa_event(NUMA_HINT_FAULTS); 6184 #ifdef CONFIG_NUMA_BALANCING 6185 count_memcg_folio_events(folio, NUMA_HINT_FAULTS, 1); 6186 #endif 6187 if (folio_nid(folio) == numa_node_id()) { 6188 count_vm_numa_event(NUMA_HINT_FAULTS_LOCAL); 6189 *flags |= TNF_FAULT_LOCAL; 6190 } 6191 6192 return mpol_misplaced(folio, vmf, addr); 6193 } 6194 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki