Hi Xin, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v6.0-rc4 next-20220907] [cannot apply to akpm-mm/mm-everything] [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/Xin-Hao/mm-damon-Remove-duplicate-get_monitoring_region-definitions/20220907-193059 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 0066f1b0e27556381402db3ff31f85d2a2265858 config: hexagon-randconfig-r041-20220907 (https://download.01.org/0day-ci/archive/20220908/202209080600.L5N3msAB-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c55b41d5199d2394dd6cdb8f52180d8b81d809d4) 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 # https://github.com/intel-lab-lkp/linux/commit/28cd0cc7549075eccc95a2c48fbe3bc58f17caee git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Xin-Hao/mm-damon-Remove-duplicate-get_monitoring_region-definitions/20220907-193059 git checkout 28cd0cc7549075eccc95a2c48fbe3bc58f17caee # 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=hexagon SHELL=/bin/bash mm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from mm/damon/reclaim.c:16: >> mm/damon/ops-common.h:13:23: error: unknown type name 'pmd_t' void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr); ^ 1 error generated. vim +/pmd_t +13 mm/damon/ops-common.h 46c3a0accdc48c mm/damon/prmtv-common.h SeongJae Park 2021-11-05 11 46c3a0accdc48c mm/damon/prmtv-common.h SeongJae Park 2021-11-05 12 void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr); 46c3a0accdc48c mm/damon/prmtv-common.h SeongJae Park 2021-11-05 @13 void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr); 198f0f4c58b9f4 mm/damon/prmtv-common.h SeongJae Park 2021-11-05 14 -- 0-DAY CI Kernel Test Service https://01.org/lkp