Hi Anshuman, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.5-rc5 next-20200110] [cannot apply to arm64/for-next/core robh/for-next linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/arm64-mm-Enable-memory-hot-remove/20200111-003854 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4a3033ef6e6bb4c566bd1d556de69b494d76976c config: arm64-randconfig-a001-20200109 (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): mm/memory_hotplug.c: In function 'check_hotremove_memory_range': >> mm/memory_hotplug.c:1027:7: error: implicit declaration of function 'arch_memory_removable'; did you mean 'add_memory_resource'? [-Werror=implicit-function-declaration] rc = arch_memory_removable(start, size); ^~~~~~~~~~~~~~~~~~~~~ add_memory_resource At top level: mm/memory_hotplug.c:1017:12: warning: 'check_hotremove_memory_range' defined but not used [-Wunused-function] static int check_hotremove_memory_range(u64 start, u64 size) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1027 mm/memory_hotplug.c 1016 1017 static int check_hotremove_memory_range(u64 start, u64 size) 1018 { 1019 int rc; 1020 1021 BUG_ON(check_hotplug_memory_range(start, size)); 1022 1023 /* 1024 * First check if the platform is willing to have this 1025 * memory range removed else just abort. 1026 */ > 1027 rc = arch_memory_removable(start, size); 1028 if (!rc) 1029 return -EINVAL; 1030 1031 return 0; 1032 } 1033 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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