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X-IronPort-AV: E=McAfee;i="6600,9927,10991"; a="13325599" X-IronPort-AV: E=Sophos;i="6.06,176,1705392000"; d="scan'208";a="13325599" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2024 08:59:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,176,1705392000"; d="scan'208";a="9815760" Received: from lkp-server02.sh.intel.com (HELO 3c78fa4d504c) ([10.239.97.151]) by fmviesa005.fm.intel.com with ESMTP; 21 Feb 2024 08:59:18 -0800 Received: from kbuild by 3c78fa4d504c with local (Exim 4.96) (envelope-from ) id 1rcpwB-0005WE-2W; Wed, 21 Feb 2024 16:59:15 +0000 Date: Thu, 22 Feb 2024 00:57:52 +0800 From: kernel test robot To: Maxwell Bland , linux-arm-kernel@lists.infradead.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, gregkh@linuxfoundation.org, agordeev@linux.ibm.com, akpm@linux-foundation.org, andreyknvl@gmail.com, andrii@kernel.org, aneesh.kumar@kernel.org, aou@eecs.berkeley.edu, ardb@kernel.org, arnd@arndb.de, ast@kernel.org, borntraeger@linux.ibm.com, bpf@vger.kernel.org, brauner@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, cl@linux.com, daniel@iogearbox.net, dave.hansen@linux.intel.com, david@redhat.com, dennis@kernel.org, dvyukov@google.com, glider@google.com, gor@linux.ibm.com, guoren@kernel.org, haoluo@google.com, hca@linux.ibm.com, hch@infradead.org, john.fastabend@gmail.com, jolsa@kernel.org Subject: Re: [PATCH 2/4] mm: pgalloc: support address-conditional pmd allocation Message-ID: <202402220006.5v6axq6B-lkp@intel.com> References: <20240220203256.31153-3-mbland@motorola.com> Precedence: bulk X-Mailing-List: bpf@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: <20240220203256.31153-3-mbland@motorola.com> Hi Maxwell, kernel test robot noticed the following build errors: [auto build test ERROR on b401b621758e46812da61fa58a67c3fd8d91de0d] url: https://github.com/intel-lab-lkp/linux/commits/Maxwell-Bland/mm-vmalloc-allow-arch-specific-vmalloc_node-overrides/20240221-043458 base: b401b621758e46812da61fa58a67c3fd8d91de0d patch link: https://lore.kernel.org/r/20240220203256.31153-3-mbland%40motorola.com patch subject: [PATCH 2/4] mm: pgalloc: support address-conditional pmd allocation config: arm-defconfig (https://download.01.org/0day-ci/archive/20240222/202402220006.5v6axq6B-lkp@intel.com/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240222/202402220006.5v6axq6B-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/202402220006.5v6axq6B-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/memory.c:459:3: error: implicit declaration of function 'pmd_populate_kernel_at' is invalid in C99 [-Werror,-Wimplicit-function-declaration] pmd_populate_kernel_at(&init_mm, pmd, new, address); ^ mm/memory.c:459:3: note: did you mean 'pmd_populate_kernel'? arch/arm/include/asm/pgalloc.h:125:1: note: 'pmd_populate_kernel' declared here pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) ^ 1 error generated. vim +/pmd_populate_kernel_at +459 mm/memory.c 449 450 int __pte_alloc_kernel(pmd_t *pmd, unsigned long address) 451 { 452 pte_t *new = pte_alloc_one_kernel(&init_mm); 453 if (!new) 454 return -ENOMEM; 455 456 spin_lock(&init_mm.page_table_lock); 457 if (likely(pmd_none(*pmd))) { /* Has another populated it ? */ 458 smp_wmb(); /* See comment in pmd_install() */ > 459 pmd_populate_kernel_at(&init_mm, pmd, new, address); 460 new = NULL; 461 } 462 spin_unlock(&init_mm.page_table_lock); 463 if (new) 464 pte_free_kernel(&init_mm, new); 465 return 0; 466 } 467 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki