Hi Anshuman,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on v5.10-rc6]
[also build test ERROR on next-20201201]
[cannot apply to mmotm/master s390/features arm64/for-next/core hnaz-linux-mm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-hotplug-Pre-validate-the-address-range-with-platform/20201130-113145
base:    b65054597872ce3aefbc6a666385eabdf9e288da
config: x86_64-randconfig-a005-20201201 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 2671fccf0381769276ca8246ec0499adcb9b0355)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/b2e5e21f5ab458f165eddf57099039bb40d6fecf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Anshuman-Khandual/mm-hotplug-Pre-validate-the-address-range-with-platform/20201130-113145
        git checkout b2e5e21f5ab458f165eddf57099039bb40d6fecf
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: memhp_range_allowed
   >>> referenced by memory_hotplug.c:110 (mm/memory_hotplug.c:110)
   >>>               memory_hotplug.o:(register_memory_resource) in archive mm/built-in.a

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