tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 7994b7ea6ac880efd0c38fedfbffd5ab8b1b7b2b commit: c10966f19a878a66206327ebe3b85500f59f47e2 [27/106] mm: count zeromap read and set for swapout and swapin config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241106/202411062114.V0749sXc-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241106/202411062114.V0749sXc-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/202411062114.V0749sXc-lkp@xxxxxxxxx/ Note: the akpm-mm/mm-unstable HEAD 7994b7ea6ac880efd0c38fedfbffd5ab8b1b7b2b builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): mm/page_io.c: In function 'swap_zeromap_folio_set': >> mm/page_io.c:220:17: error: implicit declaration of function 'count_objcg_events'; did you mean 'count_objcg_event'? [-Werror=implicit-function-declaration] 220 | count_objcg_events(objcg, SWPOUT_ZERO, nr_pages); | ^~~~~~~~~~~~~~~~~~ | count_objcg_event cc1: some warnings being treated as errors vim +220 mm/page_io.c 204 205 static void swap_zeromap_folio_set(struct folio *folio) 206 { 207 struct obj_cgroup *objcg = get_obj_cgroup_from_folio(folio); 208 struct swap_info_struct *sis = swp_swap_info(folio->swap); 209 int nr_pages = folio_nr_pages(folio); 210 swp_entry_t entry; 211 unsigned int i; 212 213 for (i = 0; i < folio_nr_pages(folio); i++) { 214 entry = page_swap_entry(folio_page(folio, i)); 215 set_bit(swp_offset(entry), sis->zeromap); 216 } 217 218 count_vm_events(SWPOUT_ZERO, nr_pages); 219 if (objcg) { > 220 count_objcg_events(objcg, SWPOUT_ZERO, nr_pages); 221 obj_cgroup_put(objcg); 222 } 223 } 224 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
