Hi "Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.14-rc1] [cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core next-20210712] [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/Matthew-Wilcox-Oracle/Memory-folios/20210712-122232 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e73f0f0ee7541171d89f2e2491130c7771ba58d3 config: x86_64-randconfig-a016-20210711 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/77c68764f249872680c6df4fbd6deab13b128b19 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210712-122232 git checkout 77c68764f249872680c6df4fbd6deab13b128b19 # save the attached .config to linux build tree mkdir build_dir make 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 >>): ld: mm/hugetlb.o: in function `hugetlb_mcopy_atomic_pte': >> hugetlb.c:(.text+0x487e): undefined reference to `copy_huge_page' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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