Hi Mike, I love your patch! Yet something to improve: [auto build test ERROR on next-20200318] [also build test ERROR on v5.6-rc6] [cannot apply to arm64/for-next/core powerpc/next sparc/master linus/master sparc-next/master v5.6-rc6 v5.6-rc5 v5.6-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Mike-Kravetz/Clean-up-hugetlb-boot-command-line-processing/20200319-060943 base: 47780d7892b77e922bbe19b5dea99cde06b2f0e5 config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): ld: mm/hugetlb.o: in function `default_hugepagesz_setup': >> hugetlb.c:(.init.text+0x16): undefined reference to `arch_hugetlb_valid_size' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org