Hi Nicholas, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 54968bf23106d2ac31ede8dca013a7fadeb3dd75 commit: 004cface9c1c0b6351473934a4ce452193e05b07 [1774/1774] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c config: x86_64-buildonly-randconfig-001-20250902 (https://download.01.org/0day-ci/archive/20250902/202509020919.PwhZw5yj-lkp@i...) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250902/202509020919.PwhZw5yj-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/202509020919.PwhZw5yj-lkp@intel.com/ All warnings (new ones prefixed by >>):

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mm/.tmp_ioremap.o: warning: objtool: missing symbol for section .text

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