Hi Oscar, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master next-20240320] [cannot apply to v6.8] [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/Oscar-Salvador/mm-page_owner-Fix-refcount-imbalance/20240320-023302 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240319183212.17156-2-osalvador%40suse.de patch subject: [PATCH v2 1/2] mm,page_owner: Fix refcount imbalance config: x86_64-buildonly-randconfig-004-20240320 (https://download.01.org/0day-ci/archive/20240321/202403210131.YLR6USxm-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240321/202403210131.YLR6USxm-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403210131.YLR6USxm-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/page_owner.c:213:3: warning: ignoring return value of function declared with 'warn_unused_result' attribute [-Wunused-result] 213 | refcount_sub_and_test(nr_base_pages, &stack_record->count); | ^~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +/warn_unused_result +213 mm/page_owner.c 206 207 static void dec_stack_record_count(depot_stack_handle_t handle, 208 int nr_base_pages) 209 { 210 struct stack_record *stack_record = __stack_depot_get_stack_record(handle); 211 212 if (stack_record) > 213 refcount_sub_and_test(nr_base_pages, &stack_record->count); 214 } 215 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
