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SubjectRe: [PATCH 2/2] mm: Remember young bit for page migrations
Hi Peter,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on akpm-mm/mm-everything]

url: https://github.com/intel-lab-lkp/linux/commits/Peter-Xu/mm-Remember-young-bit-for-migration-entries/20220803-092311
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
config: arc-randconfig-r043-20220803 (https://download.01.org/0day-ci/archive/20220803/202208032100.RedT7779-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/2fca6cb25745d1404fc34e0ec2ea89b6195a8c27
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Peter-Xu/mm-Remember-young-bit-for-migration-entries/20220803-092311
git checkout 2fca6cb25745d1404fc34e0ec2ea89b6195a8c27
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

arc-elf-ld: mm/rmap.o: in function `migration_entry_supports_young':
include/linux/swapops.h:288: undefined reference to `max_swapfile_size'
>> arc-elf-ld: include/linux/swapops.h:288: undefined reference to `max_swapfile_size'
arc-elf-ld: mm/migrate.o: in function `migration_entry_supports_young':
include/linux/swapops.h:288: undefined reference to `max_swapfile_size'
>> arc-elf-ld: include/linux/swapops.h:288: undefined reference to `max_swapfile_size'

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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