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Date:   Wed, 3 Aug 2022 21:53:28 +0800
From:   kernel test robot <lkp@intel.com>
To:     Peter Xu <peterx@redhat.com>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Cc:     kbuild-all@lists.01.org, Andrea Arcangeli <aarcange@redhat.com>,
        Andi Kleen <andi.kleen@intel.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        David Hildenbrand <david@redhat.com>,
        Hugh Dickins <hughd@google.com>,
        Huang Ying <ying.huang@intel.com>, peterx@redhat.com,
        Nadav Amit <nadav.amit@gmail.com>,
        "Kirill A . Shutemov" <kirill@shutemov.name>,
        Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [PATCH 2/2] mm: Remember young bit for page migrations
Message-ID: <202208032100.RedT7779-lkp@intel.com>
References: <20220803012159.36551-3-peterx@redhat.com>
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In-Reply-To: <20220803012159.36551-3-peterx@redhat.com>
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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