Hi "Aneesh, I love your patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on v5.9-rc1 next-20200818] [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/Aneesh-Kumar-K-V/powerpc-book3s6... base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc-allnoconfig (attached as .config) compiler: powerpc-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 # 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: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/powerpc/kernel/prom.c: In function 'early_init_devtree': 818 | radix__setup_initial_memory_limit(memstart_addr, first_memblock_size); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | setup_initial_memory_limit cc1: all warnings being treated as errors # https://github.com/0day-ci/linux/commit/082f192bfaabd1eeb28421d82574ce76a... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Aneesh-Kumar-K-V/powerpc-book3s64-radix-Fix-boot-failure-with-large-amount-of-guest-memory/20200814-002215 git checkout 082f192bfaabd1eeb28421d82574ce76ae0c4fba vim +818 arch/powerpc/kernel/prom.c 811 812 mmu_early_init_devtree(); 813 814 /* 815 * Reset ppc64_rma_size and memblock memory limit 816 */ 817 if (early_radix_enabled()) 819 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org