[yhuang:random-r0.1i 41/41] ld: node.c:undefined reference to `node_random_migrate_stop'

[yhuang:random-r0.1i 41/41] ld: node.c:undefined reference to `node_random_migrate_stop'

[kbuild test robot]

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tree:   yhuang/random-r0.1i
head:   ca13b6ebc4dfb4e84861eaa783041e062ef74586
commit: ca13b6ebc4dfb4e84861eaa783041e062ef74586 [41/41] 2 stage filter for promotion
config: x86_64-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-13) 7.4.0
reproduce:
        git checkout ca13b6ebc4dfb4e84861eaa783041e062ef74586
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   ld: mm/page_alloc.o: in function `free_area_init_node':
   page_alloc.c:(.init.text+0x98a): undefined reference to `node_random_promote_work'
   ld: page_alloc.c:(.init.text+0x9d3): undefined reference to `node_random_demote_work'
   ld: drivers/base/node.o: in function `random_migrate_threshold_max_ms_store':
   node.c:(.text+0x182): undefined reference to `node_random_migrate_stop'
   ld: node.c:(.text+0x1d4): undefined reference to `node_random_migrate_start'
   ld: drivers/base/node.o: in function `random_migrate_period_ms_store':
   node.c:(.text+0x2b5): undefined reference to `node_random_migrate_stop'
>> ld: node.c:(.text+0x32e): undefined reference to `node_random_migrate_stop'
   ld: node.c:(.text+0x368): undefined reference to `node_random_migrate_start'
   ld: drivers/base/node.o: in function `random_migrate_mb_store':
   node.c:(.text+0x454): undefined reference to `node_random_migrate_stop'
   ld: node.c:(.text+0x46e): undefined reference to `node_random_migrate_start'
   ld: node.c:(.text+0x4be): undefined reference to `node_random_migrate_pages'

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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