Hi Yuquan, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.15-rc1 next-20250410] [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/Yuquan-Wang/LoongArch-Introduce-the-numa_memblks-conversion/20250409-150524 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250409070250.3225839-1-wangyuquan1236%40phytium.com.cn patch subject: [PATCH 1/1] LoongArch: Introduce the numa_memblks conversion config: loongarch-randconfig-002-20250410 (https://download.01.org/0day-ci/archive/20250411/202504110627.AIvtEzM7-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250411/202504110627.AIvtEzM7-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/202504110627.AIvtEzM7-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> mm/numa_memblks.c:125:5: warning: no previous prototype for '__node_distance' [-Wmissing-prototypes] 125 | int __node_distance(int from, int to) | ^~~~~~~~~~~~~~~ -- loongarch64-linux-ld: mm/numa_memblks.o: in function `numa_set_distance': >> mm/numa_memblks.c:104: multiple definition of `numa_set_distance'; arch/loongarch/kernel/acpi.o:arch/loongarch/kernel/acpi.c:253: first defined here >> loongarch64-linux-ld: mm/numa_memblks.o:mm/numa_memblks.c:13: multiple definition of `numa_nodes_parsed'; arch/loongarch/kernel/numa.o:arch/loongarch/kernel/numa.c:47: first defined here -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
