Hi Gwan-gyeong, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/mm] [also build test ERROR on linus/master v6.14-rc6] [cannot apply to akpm-mm/mm-everything tip/x86/core next-20250311] [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/Gwan-gyeong-Mun/mm-introduce-include-linux-pgalloc-h/20250311-194723 base: tip/x86/mm patch link: https://lore.kernel.org/r/20250311114420.240341-1-gwan-gyeong.mun%40intel.com patch subject: [PATCH] mm: introduce include/linux/pgalloc.h config: x86_64-buildonly-randconfig-002-20250311 (https://download.01.org/0day-ci/archive/20250311/202503112344.GSI5KIK4-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250311/202503112344.GSI5KIK4-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/202503112344.GSI5KIK4-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/x86/mm/init_64.c:236:6: error: redefinition of 'arch_sync_global_p4ds' 236 | void arch_sync_global_p4ds(unsigned long start, unsigned long end) {} | ^~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/init_64.c:228:6: note: previous definition of 'arch_sync_global_p4ds' with type 'void(long unsigned int, long unsigned int)' 228 | void arch_sync_global_p4ds(unsigned long start, unsigned long end) | ^~~~~~~~~~~~~~~~~~~~~ >> arch/x86/mm/init_64.c:238:6: error: redefinition of 'arch_sync_global_pgds' 238 | void arch_sync_global_pgds(unsigned long start, unsigned long end) | ^~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/init_64.c:233:6: note: previous definition of 'arch_sync_global_pgds' with type 'void(long unsigned int, long unsigned int)' 233 | void arch_sync_global_pgds(unsigned long start, unsigned long end) {} | ^~~~~~~~~~~~~~~~~~~~~ vim +/arch_sync_global_p4ds +236 arch/x86/mm/init_64.c 234 235 #if CONFIG_PGTABLE_LEVELS > 4 > 236 void arch_sync_global_p4ds(unsigned long start, unsigned long end) {} 237 > 238 void arch_sync_global_pgds(unsigned long start, unsigned long end) 239 { 240 sync_global_pgds(start, end); 241 } 242 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
