Hi Zhang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 1588d318a9e388d05b6cf5e2a63134c8beb6a355 commit: 2e1b00fcf1e3152a1e73846f5f9ec37cef088a65 [3418/3418] ACPI/HMAT: Add missing locality information for hot-added device config: x86_64-randconfig-122-20251217 (https://download.01.org/0day-ci/archive/20251222/202512222339.MPuLnpUs-lkp@i...) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251222/202512222339.MPuLnpUs-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512222339.MPuLnpUs-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

drivers/acpi/numa/hmat.c:726:6: warning: no previous prototype for 'hmat_restore_target' [-Wmissing-prototypes] 726 | void hmat_restore_target(int nid) | ^~~~~~~~~~~~~~~~~~~

vim +/hmat_restore_target +726 drivers/acpi/numa/hmat.c 725

726 void hmat_restore_target(int nid) 727 { 728 struct memory_target *target; 729 int pxm; 730 731 pxm = node_to_pxm(nid); 732 target = find_mem_target(pxm); 733 if (!target) 734 return; 735 736 mutex_lock(&target_lock); 737 hmat_register_target_cache(target); 738 hmat_register_target_perf(target, 0); 739 hmat_register_target_perf(target, 1); 740 mutex_unlock(&target_lock); 741 } 742

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki