Hi Nhat, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.6-rc1 next-20230914] [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/Nhat-Pham/zswap-make-shrinking-memcg-aware/20230912-004147 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230911164024.2541401-2-nphamcs%40gmail.com patch subject: [PATCH 1/2] zswap: make shrinking memcg-aware config: loongarch-randconfig-001-20230914 (https://download.01.org/0day-ci/archive/20230914/202309141736.ABab8fuf-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230914/202309141736.ABab8fuf-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/202309141736.ABab8fuf-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): mm/zswap.c: In function 'zswap_lru_add': >> mm/zswap.c:320:17: error: implicit declaration of function 'get_mem_cgroup_from_objcg'; did you mean 'get_mem_cgroup_from_mm'? [-Werror=implicit-function-declaration] 320 | get_mem_cgroup_from_objcg(entry->objcg) : NULL; | ^~~~~~~~~~~~~~~~~~~~~~~~~ | get_mem_cgroup_from_mm >> mm/zswap.c:320:57: warning: pointer/integer type mismatch in conditional expression 320 | get_mem_cgroup_from_objcg(entry->objcg) : NULL; | ^ mm/zswap.c: In function 'zswap_lru_del': mm/zswap.c:330:57: warning: pointer/integer type mismatch in conditional expression 330 | get_mem_cgroup_from_objcg(entry->objcg) : NULL; | ^ mm/zswap.c: In function 'shrink_memcg_cb': mm/zswap.c:694:80: warning: pointer/integer type mismatch in conditional expression 694 | memcg = entry->objcg ? get_mem_cgroup_from_objcg(entry->objcg) : NULL; | ^ mm/zswap.c: In function 'shrink_worker': >> mm/zswap.c:758:51: error: invalid use of undefined type 'struct mem_cgroup' 758 | css_put(&pool->next_shrink->css); | ^~ mm/zswap.c: In function 'zswap_pool_destroy': mm/zswap.c:906:43: error: invalid use of undefined type 'struct mem_cgroup' 906 | css_put(&pool->next_shrink->css); | ^~ mm/zswap.c: In function 'zswap_store': >> mm/zswap.c:1298:23: warning: assignment to 'struct mem_cgroup *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 1298 | memcg = get_mem_cgroup_from_objcg(objcg); | ^ mm/zswap.c:1300:39: error: invalid use of undefined type 'struct mem_cgroup' 1300 | css_put(&memcg->css); | ^~ mm/zswap.c:1303:31: error: invalid use of undefined type 'struct mem_cgroup' 1303 | css_put(&memcg->css); | ^~ mm/zswap.c:1349:23: warning: assignment to 'struct mem_cgroup *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 1349 | memcg = get_mem_cgroup_from_objcg(objcg); | ^ mm/zswap.c:1351:31: error: invalid use of undefined type 'struct mem_cgroup' 1351 | css_put(&memcg->css); | ^~ cc1: some warnings being treated as errors vim +320 mm/zswap.c 313 314 /********************************* 315 * lru functions 316 **********************************/ 317 static bool zswap_lru_add(struct list_lru *list_lru, struct zswap_entry *entry) 318 { 319 struct mem_cgroup *memcg = entry->objcg ? > 320 get_mem_cgroup_from_objcg(entry->objcg) : NULL; 321 bool added = __list_lru_add(list_lru, &entry->lru, entry->nid, memcg); 322 323 mem_cgroup_put(memcg); 324 return added; 325 } 326 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
