tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b85051e755b0e9d6dd8f17ef1da083851b83287d
commit: a55c7454a8c887b226a01d7eed088ccb5374d81e sched/topology: Improve load balancing on AMD EPYC systems
date:   9 months ago
config: powerpc-randconfig-c004-20200520 (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 9.3.0
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
        git checkout a55c7454a8c887b226a01d7eed088ccb5374d81e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

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

powerpc64-linux-ld: warning: orphan section `.gnu.hash' from `linker stubs' being placed in section `.gnu.hash'
>> powerpc64-linux-ld: mm/page_alloc.o:(.toc+0x0): undefined reference to `node_reclaim_distance'

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