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Date: Tue, 20 Sep 2022 02:54:50 +0800 From: kernel test robot <lkp@...el.com> To: Liu Shixin <liushixin2@...wei.com>, Andrew Morton <akpm@...ux-foundation.org> Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org, Linux Memory Management List <linux-mm@...ck.org>, linux-kernel@...r.kernel.org, Liu Shixin <liushixin2@...wei.com>, Kefeng Wang <wangkefeng.wang@...wei.com> Subject: Re: [PATCH 5/9] mm/mm_init.c: use hotplug_memory_notifier() directly Hi Liu, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Liu-Shixin/mm-Use-hotplug_memory_notifier-instead-of-register_hotmemory_notifier/20220919-160043 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: arm64-randconfig-r036-20220919 (https://download.01.org/0day-ci/archive/20220920/202209200223.T0pXU4pA-lkp@intel.com/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/33c4e50ed97460db120701f262ae1814509ba982 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Liu-Shixin/mm-Use-hotplug_memory_notifier-instead-of-register_hotmemory_notifier/20220919-160043 git checkout 33c4e50ed97460db120701f262ae1814509ba982 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@...el.com> All errors (new ones prefixed by >>): >> mm/mm_init.c:184:26: error: expected identifier or '(' hotplug_memory_notifier(&mm_compute_batch_notifier, IPC_CALLBACK_PRI); ^ >> mm/mm_init.c:184:2: error: use of undeclared identifier 'mm_compute_batch_notifier_mem_nb' hotplug_memory_notifier(&mm_compute_batch_notifier, IPC_CALLBACK_PRI); ^ include/linux/memory.h:167:28: note: expanded from macro 'hotplug_memory_notifier' register_memory_notifier(&fn##_mem_nb); \ ^ <scratch space>:31:1: note: expanded from here mm_compute_batch_notifier_mem_nb ^ 2 errors generated. vim +184 mm/mm_init.c 180 181 static int __init mm_compute_batch_init(void) 182 { 183 mm_compute_batch(sysctl_overcommit_memory); > 184 hotplug_memory_notifier(&mm_compute_batch_notifier, IPC_CALLBACK_PRI); 185 return 0; 186 } 187 -- 0-DAY CI Kernel Test Service https://01.org/lkp
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