[boqun:dev/arm64 4/4] ERROR: modpost: "memory_block_size_bytes" [drivers/hv/hv_balloon.ko] undefined!

From: kernel test robot
Date: Wed Feb 23 2022 - 03:25:30 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git dev/arm64
head: abd696a42824ab4956b5f81bbfdfa54c4ef28d88
commit: abd696a42824ab4956b5f81bbfdfa54c4ef28d88 [4/4] Drivers: hv: balloon: Support memory hot add for larger page sizes
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220223/202202231610.E8BW2Nc5-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git/commit/?id=abd696a42824ab4956b5f81bbfdfa54c4ef28d88
git remote add boqun https://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git
git fetch --no-tags boqun dev/arm64
git checkout abd696a42824ab4956b5f81bbfdfa54c4ef28d88
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "memory_block_size_bytes" [drivers/hv/hv_balloon.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx