Hi Yuanchu, kernel test robot noticed the following build errors: [auto build test ERROR on driver-core/driver-core-testing] [also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus staging/staging-testing staging/staging-next staging/staging-linus linus/master v6.10-rc2 next-20240604] [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/Yuanchu-Xie/mm-multi-gen-LRU-ignore-non-leaf-pmd_young-for-force_scan-true/20240604-100824 base: driver-core/driver-core-testing patch link: https://lore.kernel.org/r/20240604020549.1017540-6-yuanchu%40google.com patch subject: [PATCH v2 5/8] mm: extend working set reporting to memcgs config: s390-randconfig-002-20240605 (https://download.01.org/0day-ci/archive/20240605/202406050600.hZAG0KTL-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240605/202406050600.hZAG0KTL-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/202406050600.hZAG0KTL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/workingset_report.c:6: In file included from include/linux/memcontrol.h:21: In file included from include/linux/mm.h:2253: include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/workingset_report.c:14: include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~ ^ ~~~ include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 49 | NR_ZONE_LRU_BASE + lru, nr_pages); | ~~~~~~~~~~~~~~~~ ^ ~~~ >> mm/workingset_report.c:45:37: error: incomplete definition of type 'struct mem_cgroup' 45 | wsr->page_age_cgroup_file = &memcg->workingset_page_age_file; | ~~~~~^ include/linux/mm_types.h:33:8: note: forward declaration of 'struct mem_cgroup' 33 | struct mem_cgroup; | ^ >> mm/workingset_report.c:551:3: error: call to undeclared function 'cgroup_file_notify'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 551 | cgroup_file_notify(wsr->page_age_cgroup_file); | ^ 3 warnings and 2 errors generated. vim +45 mm/workingset_report.c 36 37 void wsr_init_lruvec(struct lruvec *lruvec) 38 { 39 struct wsr_state *wsr = &lruvec->wsr; 40 struct mem_cgroup *memcg = lruvec_memcg(lruvec); 41 42 memset(wsr, 0, sizeof(*wsr)); 43 mutex_init(&wsr->page_age_lock); 44 if (memcg && !mem_cgroup_is_root(memcg)) > 45 wsr->page_age_cgroup_file = &memcg->workingset_page_age_file; 46 } 47 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
