ERROR: "max_low_pfn" undefined!

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5714ee50bb4375bd586858ad800b1d9772847452
commit: b35b9a10362d203451d920d01ab8d6cd55cbaf2a mtd: spi-nor: Move m25p80 code in spi-nor.c
date:   11 months ago
config: ia64-randconfig-m031-20200720 (attached as .config)
compiler: ia64-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
        git checkout b35b9a10362d203451d920d01ab8d6cd55cbaf2a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

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: "max_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined!
   ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined!
>> ERROR: "max_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined!
>> ERROR: "min_low_pfn" [drivers/mtd/spi-nor/spi-nor.ko] undefined!
   ERROR: "min_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined!
   ERROR: "max_low_pfn" [drivers/mtd/nand/raw/nand.ko] undefined!
   ERROR: "max_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined!
   ERROR: "min_low_pfn" [drivers/rapidio/devices/rio_mport_cdev.ko] undefined!
   ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined!
   ERROR: "max_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined!
   ERROR: "min_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined!
   ERROR: "max_low_pfn" [drivers/crypto/cavium/nitrox/n5pf.ko] undefined!
   ERROR: "max_low_pfn" [drivers/md/dm-integrity.ko] undefined!
   ERROR: "min_low_pfn" [drivers/md/dm-integrity.ko] undefined!
   ERROR: "max_low_pfn" [crypto/tcrypt.ko] undefined!
   ERROR: "min_low_pfn" [crypto/tcrypt.ko] undefined!
   ERROR: "max_low_pfn" [crypto/ccm.ko] undefined!
   ERROR: "min_low_pfn" [crypto/ccm.ko] undefined!
   ERROR: "max_low_pfn" [crypto/gcm.ko] undefined!
   ERROR: "min_low_pfn" [crypto/gcm.ko] undefined!
   ERROR: "min_low_pfn" [security/keys/encrypted-keys/encrypted-keys.ko] undefined!
   ERROR: "max_low_pfn" [security/keys/encrypted-keys/encrypted-keys.ko] undefined!
   ERROR: "min_low_pfn" [arch/ia64/kernel/mca_recovery.ko] undefined!
   ERROR: "max_low_pfn" [arch/ia64/kernel/mca_recovery.ko] undefined!

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

Attachment: .config.gz
Description: application/gzip