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X-CSE-ConnectionGUID: eGMXslY4Qb+LO7wW2JNkgw== X-CSE-MsgGUID: oZmwMckhRciM3tevJrfYfw== X-IronPort-AV: E=McAfee;i="6800,10657,11620"; a="68454995" X-IronPort-AV: E=Sophos;i="6.20,216,1758610800"; d="scan'208";a="68454995" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 11:14:35 -0800 X-CSE-ConnectionGUID: 2Ijzr5YBT3aA7bLtsNb2Hw== X-CSE-MsgGUID: PUXp5Oq0QOCwVdGLd9G5ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,216,1758610800"; d="scan'208";a="195936493" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 21 Nov 2025 11:14:28 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vMWaP-0006m3-1U; Fri, 21 Nov 2025 19:14:25 +0000 Date: Sat, 22 Nov 2025 03:13:48 +0800 From: kernel test robot To: Eugen Hristev , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com, rdunlap@infradead.org, corbet@lwn.net, david@redhat.com, mhocko@suse.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, tudor.ambarus@linaro.org, mukesh.ojha@oss.qualcomm.com, linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, jonechou@google.com, rostedt@goodmis.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arch@vger.kernel.org, tony.luck@intel.com, kees@kernel.org, Eugen Hristev Subject: Re: [PATCH 03/26] mm/percpu: Annotate static information into meminspect Message-ID: <202511220241.7y7acdEZ-lkp@intel.com> References: <20251119154427.1033475-4-eugen.hristev@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251119154427.1033475-4-eugen.hristev@linaro.org> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 7135314000A X-Stat-Signature: y7ngwqigosnmtns9fi85z57i54qxwezk X-Rspam-User: X-HE-Tag: 1763752475-863078 X-HE-Meta: U2FsdGVkX19IL2eqASHy1LqwC3Kxa7A1im6gc+RQIf4d3/mr0AAGzD+wfc+vj4SPQQ3f4ydteIHsarqjXT/25/zwsU9CxcJTTjEUZhdVyPbxQIwpAnPS6QnCI5BsSZ9nyNS4CYqt8vNK4LRfMLKGhLXJwvm2n4Cs1bPHK7AzTrjJrabhWVpIsnvlrMfif+qlXkytsQmV/KH9YieWX/+4NA2B2gFHBh0tAQ6SpXWI+0bVKcI1PX2pptxbQbNY1/mdFZTTfOO2OCDkywi/NEX1SGDLiW0UGljaN1zcpUAjQpRCET40/87sNe3+xAr+BY/CKlJRlvyZshQNV0I9d6CdHJk/HfiWBUh6UVqrsqn2qLQfLMEtIW1a1QH6Y4noqLLFXaaWdqtwb1uF1NpEdUSnioQBotBSgakIXfrvwjpH0epG5fCl7VDrVH2mHurF/LcN5KdE4Hdaq/gTIotQ9Rm4ddXlDe/eCMgNyRggdbrB+OUp9dkDZfCYlrZBe8Evl4vdYUmGO3BkFWGUGNR+UBMAvWQ42BgTvPIGmMkZcQ9+MrTetzZWJkFBzRtBkZ4x/lwu2IpC5KwQpNptvFNJH/E9VTx1yN66y7kG2QPSgCcYA4l145vythEJ9rVmdG8k4zDZ6Ob/oNR+JRFYVdJ1Y043XEKp0MfoAZoNnOQx6oJzqKijunmPMDg37Hn+XXvTZIDz5mJ5+/HYdKqKhQREYvv8y+LCXWaFtDL84BzPZ+ssCctqzFSFQ3FijlHPUVO4YJcWQB+ntBGhcF1suKfh+uGDWL0yekTz6DE8j5SO/+mdonmmVXyP5lGFAAE/fohHeGPZGgN30pjba/QxrJvRH2b3bZSbbbYxky6sU7+ipKBP0ZWysIUxiry6tNrqBu8PY9sgRQepktkd6toI/3lxRpU86Y7vDatb7QpNownzQ5sooJgy/uV6hCLSvgZ//jfs1wFmD3Cp5y5L2clAyF7u/D9 9WJ9fogX rRWMqMY5RoNmTAG+7M9jS5A8zVMbECvg3OS+fAQdF121cDiGFw+RZNRsXeddZVUvoAkMB5fWEVDgDNmGzDZmL+lTIIKJbr31yEcoE5UeT4tNt8fm8jXCRHZ6b5p0xcPNOtaty8pVaoQi9V03udZ/5rHoMb4k2XHImACi9xbukPgVRIkSsMc9qBZufvu2YP7jXQTINywz679OJysHg3fwwEPop+wZmQil3/jCoeN9x67JbSyvw5Gao/7JFj9UupAMZNEktBF3G7jO2I3r6628WCJjVZOa0OKTcfEG2RcHX5vSgm4NMfW/LGKhePQve+pmXFKJ6mS8f1r65q9NP35iVGd7MTxAJkEhLmH3DmZH5hHNBnuV121k0ee+oPQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Eugen, kernel test robot noticed the following build errors: [auto build test ERROR on rppt-memblock/fixes] [also build test ERROR on linus/master v6.18-rc6] [cannot apply to akpm-mm/mm-everything rppt-memblock/for-next next-20251121] [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/Eugen-Hristev/kernel-Introduce-meminspect/20251119-235912 base: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock.git fixes patch link: https://lore.kernel.org/r/20251119154427.1033475-4-eugen.hristev%40linaro.org patch subject: [PATCH 03/26] mm/percpu: Annotate static information into meminspect config: sparc64-allmodconfig (https://download.01.org/0day-ci/archive/20251122/202511220241.7y7acdEZ-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511220241.7y7acdEZ-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/202511220241.7y7acdEZ-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/percpu.c:3350:25: error: use of undeclared identifier '__per_cpu_offset'; did you mean '__per_cpu_start'? 3350 | MEMINSPECT_SIMPLE_ENTRY(__per_cpu_offset); | ^~~~~~~~~~~~~~~~ | __per_cpu_start include/linux/meminspect.h:101:40: note: expanded from macro 'MEMINSPECT_SIMPLE_ENTRY' 101 | MEMINSPECT_ENTRY(MEMINSPECT_ID_##sym, sym, sizeof(sym)) | ^~~ include/linux/meminspect.h:92:29: note: expanded from macro 'MEMINSPECT_ENTRY' 92 | .va = (void *)&(sym), \ | ^~~ include/asm-generic/sections.h:42:13: note: '__per_cpu_start' declared here 42 | extern char __per_cpu_start[], __per_cpu_end[]; | ^ >> mm/percpu.c:3350:25: error: use of undeclared identifier '__per_cpu_offset'; did you mean '__per_cpu_start'? 3350 | MEMINSPECT_SIMPLE_ENTRY(__per_cpu_offset); | ^~~~~~~~~~~~~~~~ | __per_cpu_start include/linux/meminspect.h:101:52: note: expanded from macro 'MEMINSPECT_SIMPLE_ENTRY' 101 | MEMINSPECT_ENTRY(MEMINSPECT_ID_##sym, sym, sizeof(sym)) | ^~~ include/linux/meminspect.h:93:22: note: expanded from macro 'MEMINSPECT_ENTRY' 93 | .size = (sz), \ | ^~ include/asm-generic/sections.h:42:13: note: '__per_cpu_start' declared here 42 | extern char __per_cpu_start[], __per_cpu_end[]; | ^ >> mm/percpu.c:3350:1: error: invalid application of 'sizeof' to an incomplete type 'char[]' 3350 | MEMINSPECT_SIMPLE_ENTRY(__per_cpu_offset); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/meminspect.h:101:51: note: expanded from macro 'MEMINSPECT_SIMPLE_ENTRY' 101 | MEMINSPECT_ENTRY(MEMINSPECT_ID_##sym, sym, sizeof(sym)) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~ include/linux/meminspect.h:93:22: note: expanded from macro 'MEMINSPECT_ENTRY' 93 | .size = (sz), \ | ^~ 3 errors generated. vim +3350 mm/percpu.c 3349 > 3350 MEMINSPECT_SIMPLE_ENTRY(__per_cpu_offset); 3351 /* 3352 * pcpu_nr_pages - calculate total number of populated backing pages 3353 * 3354 * This reflects the number of pages populated to back chunks. Metadata is 3355 * excluded in the number exposed in meminfo as the number of backing pages 3356 * scales with the number of cpus and can quickly outweigh the memory used for 3357 * metadata. It also keeps this calculation nice and simple. 3358 * 3359 * RETURNS: 3360 * Total number of populated backing pages in use by the allocator. 3361 */ 3362 unsigned long pcpu_nr_pages(void) 3363 { 3364 return data_race(READ_ONCE(pcpu_nr_populated)) * pcpu_nr_units; 3365 } 3366 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki