[kbuild-all] ld.lld: error: undefined symbol: memcg_bulk_pre_charge_hook

tree: https://github.com/0day-ci/linux/commits/UPDATE-20211012-230008/Vasily-Av... head: 2b4ad533abe1afd3ece17453585fd0f57e4fd413 commit: 2b4ad533abe1afd3ece17453585fd0f57e4fd413 memcg: enable memory accounting in __alloc_pages_bulk date: 16 hours ago config: riscv-buildonly-randconfig-r002-20211012 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project adf55ac6657693f7bfbe3087b599b4031a765a44) 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://github.com/0day-ci/linux/commit/2b4ad533abe1afd3ece17453585fd0f57... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review UPDATE-20211012-230008/Vasily-Averin/memcg-enable-memory-accounting-in-__alloc_pages_bulk/20211008-172703 git checkout 2b4ad533abe1afd3ece17453585fd0f57e4fd413 # save the attached .config to linux build tree mkdir build_dir 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 as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): -- -- --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org