Re: [PATCH] powerpc/book3s64/radix: Fix boot failure with large amount of guest memory

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-book3s64-radix-Fix-boot-failure-with-large-amount-of-guest-memory/20200814-002215
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 <redacted>

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/prom.c: In function 'early_init_devtree':

quoted

arch/powerpc/kernel/prom.c:818:3: error: implicit declaration of function 'radix__setup_initial_memory_limit'; did you mean 'setup_initial_memory_limit'? [-Werror=implicit-function-declaration]

     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/082f192bfaabd1eeb28421d82574ce76ae0c4fba
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())
 > 818			radix__setup_initial_memory_limit(memstart_addr, first_memblock_size);
   819	

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