tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3ca706c189db861b2ca2019a0901b94050ca49d8 commit: d8a719059b9dc963aa190598778ac804ff3e6a87 Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge" date: 8 weeks ago config: powerpc-randconfig-r003-20210915 (attached as .config) compiler: powerpc-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d8a719059b9dc963aa190598778ac804ff3e6a87 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc 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 >>): powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pmd_huge_tests': powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pud_huge_tests': --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org