linux-kernel - undefined reference to `start_isolate_page

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Date:   Tue, 7 Jul 2020 21:57:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Michal Simek <monstr@...str.eu>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: undefined reference to `start_isolate_page_range'

Hi Michal,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bfe91da29bfad9941d5d703d45e29f0812a20724
commit: 2602276d3d3811b1a48c48113042cd75fcbfc27d microblaze: Wire CMA allocator
date:   5 months ago
config: microblaze-randconfig-r011-20200707 (attached as .config)
compiler: microblaze-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 2602276d3d3811b1a48c48113042cd75fcbfc27d
        # 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@...el.com>

All errors (new ones prefixed by >>):

   microblaze-linux-ld: mm/page_alloc.o: in function `alloc_contig_range':
>> (.text+0x7d74): undefined reference to `start_isolate_page_range'
>> microblaze-linux-ld: (.text+0x7f60): undefined reference to `test_pages_isolated'
>> microblaze-linux-ld: (.text+0x8018): undefined reference to `undo_isolate_page_range'

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

Download attachment ".config.gz" of type "application/gzip" (31835 bytes)