Hi Liu,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   274d7803837da78dfc911bcda0d593412676fc20
commit: d9729d9cdcd69ee2e9c9be4cc2230227f015ca9f [9063/11993] riscv: Enable HAVE_ARCH_HUGE_VMALLOC for 64BIT
config: riscv-buildonly-randconfig-r001-20220926
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d9729d9cdcd69ee2e9c9be4cc2230227f015ca9f
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout d9729d9cdcd69ee2e9c9be4cc2230227f015ca9f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: find_vm_area
   >>> referenced by page_alloc.c:2303 (mm/page_alloc.c:2303)
   >>>               page_alloc.o:(alloc_large_system_hash) in archive mm/built-in.a

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for HAVE_ARCH_HUGE_VMALLOC
   Depends on [n]: HAVE_ARCH_HUGE_VMAP [=n]
   Selected by [y]:
   - RISCV [=y]

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp