Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.19] [cannot apply to akpm-mm/mm-everything next-20220805] [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/alexlzhu-fb-com/mm-add-thp_utilization-metrics-to-proc-thp_utilization/20220806-024150 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 9e2f40233670c70c25e0681cb66d50d1e2742829 config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220807/202208071343.bwmuBz9l-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/c3896ed4c7d2319ac0880860a6bfc98e6eed3d66 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review alexlzhu-fb-com/mm-add-thp_utilization-metrics-to-proc-thp_utilization/20220806-024150 git checkout c3896ed4c7d2319ac0880860a6bfc98e6eed3d66 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> mm/huge_memory.c:601:6: warning: no previous prototype for 'is_anon_transparent_hugepage' [-Wmissing-prototypes] 601 | bool is_anon_transparent_hugepage(struct page *page) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/huge_memory.c: In function 'thp_util_scan': >> mm/huge_memory.c:3300:29: warning: variable 'head' set but not used [-Wunused-but-set-variable] 3300 | struct page *page, *head = NULL; | ^~~~ vim +/is_anon_transparent_hugepage +601 mm/huge_memory.c 600 > 601 bool is_anon_transparent_hugepage(struct page *page) 602 { 603 return PageAnon(page) && is_transparent_hugepage(page); 604 } 605 EXPORT_SYMBOL_GPL(is_anon_transparent_hugepage); 606 -- 0-DAY CI Kernel Test Service https://01.org/lkp
