Hi Usama, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Usama-Arif/mm-hugetlb-Skip-prep-of-tail-pages-when-HVO-is-enabled/20230730-231750 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230730151606.2871391-7-usama.arif%40bytedance.com patch subject: [v2 6/6] mm: hugetlb: Skip initialization of struct pages freed later by HVO config: riscv-randconfig-r014-20230730 (https://download.01.org/0day-ci/archive/20230731/202307310358.frHhrM7f-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230731/202307310358.frHhrM7f-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/202307310358.frHhrM7f-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): riscv64-linux-ld: mm/hugetlb.o: in function `.LVL1074': >> hugetlb.c:(.init.text+0xf4): undefined reference to `vmemmap_optimize_enabled' riscv64-linux-ld: mm/hugetlb.o: in function `.LVL1075': hugetlb.c:(.init.text+0xf8): undefined reference to `vmemmap_optimize_enabled' riscv64-linux-ld: mm/hugetlb.o: in function `.L0 ': hugetlb.c:(.init.text+0x16e): undefined reference to `vmemmap_optimize_enabled' >> riscv64-linux-ld: hugetlb.c:(.init.text+0x172): undefined reference to `vmemmap_optimize_enabled' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
