ERROR: "min_low_pfn" undefined!

From: kernel test robot
Date: Sat Aug 01 2020 - 16:43:41 EST

Hi Jiri,

First bad commit (maybe != root cause):

tree: master
head: d52daa8620c65960e1ef882adc1f92061326bd7a
commit: aebe5fc3b5685e1d9b86cc8314a8e8f3c6f3284e n_hdlc: put init/exit strings directly to prints
date: 5 months ago
config: microblaze-randconfig-r026-20200801 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout aebe5fc3b5685e1d9b86cc8314a8e8f3c6f3284e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!
>> ERROR: "min_low_pfn" [drivers/mtd/nand/raw/cadence-nand-controller.ko] undefined!
>> ERROR: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined!

0-DAY CI Kernel Test Service, Intel Corporation

Attachment: .config.gz
Description: application/gzip