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charset=us-ascii Content-Disposition: inline Hi Weilong, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9d0af12b79bee784902822ddeec2e1a8cfc18524 commit: b498d9f1bacd40d583c0970cab02ad522127a7e7 [1683/15331] arm64/ascend: Add new enable_oom_killer interface for oom contrl config: arm64-randconfig-003-20241027 (https://download.01.org/0day-ci/archive/20241027/202410270959.J8MWcOrp-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410270959.J8MWcOrp-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202410270959.J8MWcOrp-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memcontrol.c:3147:6: warning: no previous prototype for 'hisi_oom_recover' [-Wmissing-prototypes] 3147 | void hisi_oom_recover(struct obj_cgroup *objcg) | ^~~~~~~~~~~~~~~~ vim +/hisi_oom_recover +3147 mm/memcontrol.c 3145 3146 #ifdef CONFIG_ASCEND_OOM > 3147 void hisi_oom_recover(struct obj_cgroup *objcg) 3148 { 3149 struct mem_cgroup *memcg; 3150 3151 memcg = get_mem_cgroup_from_objcg(objcg); 3152 if (!mem_cgroup_is_root(memcg)) 3153 memcg_oom_recover(memcg); 3154 css_put(&memcg->css); 3155 } 3156 #else 3157 static inline void hisi_oom_recover(struct obj_cgroup *objcg) { } 3158 #endif 3159 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki