Hi Guo, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Guo-Weikang/mm-memmap-Prevent-double-scanning-of-memmap-by-kmemleak/20250102-145930 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250102065704.647693-1-guoweikang.kernel%40gmail.com patch subject: [PATCH] mm/memmap: Prevent double scanning of memmap by kmemleak config: x86_64-randconfig-072-20250103 (https://download.01.org/0day-ci/archive/20250103/202501031757.LDH2bhm8-lkp@xxxxxxxxx/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250103/202501031757.LDH2bhm8-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/202501031757.LDH2bhm8-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux: section mismatch in reference: vmemmap_alloc_block+0x8c (section: .text.vmemmap_alloc_block) -> memmap_alloc (section: .init.text) WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-mgr-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-bridge-test.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fpga/tests/fpga-region-test.o -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
