[yhuang:random-r0.1i 28/42] page_alloc.c:undefined reference to `node_random_demote_work'

[yhuang:random-r0.1i 28/42] page_alloc.c:undefined reference to `node_random_demote_work'

[kbuild test robot]

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tree:   yhuang/random-r0.1i
head:   d8a224e04a0b1632b045d1121c6e95f521ec3ca9
commit: 9b0fb2ba67b55a7801da8b9f4339c7026a0ebda9 [28/42] mm: Support to demote to slow memory node randomly and periodically
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 9b0fb2ba67b55a7801da8b9f4339c7026a0ebda9
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=arm64 

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

All errors (new ones prefixed by >>):

   mm/page_alloc.o: In function `free_area_init_node':
   page_alloc.c:(.init.text+0xb80): undefined reference to `node_random_promote_work'
   page_alloc.c:(.init.text+0xb80): relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against undefined symbol `node_random_promote_work'
   page_alloc.c:(.init.text+0xb88): undefined reference to `node_random_promote_work'
>> page_alloc.c:(.init.text+0xbd0): undefined reference to `node_random_demote_work'
   page_alloc.c:(.init.text+0xbd0): relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against undefined symbol `node_random_demote_work'
   page_alloc.c:(.init.text+0xbd4): undefined reference to `node_random_demote_work'
   drivers/base/node.o: In function `random_demote_period_ms_store':
   node.c:(.text+0x404): undefined reference to `node_random_demote_start'
   node.c:(.text+0x404): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_demote_start'
   node.c:(.text+0x414): undefined reference to `node_random_demote_stop'
   node.c:(.text+0x414): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_demote_stop'
   drivers/base/node.o: In function `random_demote_mb_store':
   node.c:(.text+0x54c): undefined reference to `node_random_migrate_pages'
   node.c:(.text+0x54c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_migrate_pages'
   node.c:(.text+0x55c): undefined reference to `node_random_demote_stop'
   node.c:(.text+0x55c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_demote_stop'
   node.c:(.text+0x56c): undefined reference to `node_random_demote_start'
   node.c:(.text+0x56c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_demote_start'
   drivers/base/node.o: In function `random_promote_period_ms_store':
   node.c:(.text+0x6a4): undefined reference to `node_random_promote_start'
   node.c:(.text+0x6a4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_promote_start'
   node.c:(.text+0x6b4): undefined reference to `node_random_promote_stop'
   node.c:(.text+0x6b4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_promote_stop'
   drivers/base/node.o: In function `random_promote_mb_store':
   node.c:(.text+0x7e4): undefined reference to `node_random_migrate_pages'
   node.c:(.text+0x7e4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `node_random_migrate_pages'
   node.c:(.text+0x7f4): undefined reference to `node_random_promote_stop'
   node.c:(.text+0x7f4): additional relocation overflows omitted from the output
   node.c:(.text+0x804): undefined reference to `node_random_promote_start'

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

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