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* [norov:demotion 5/6] ld.lld: error: undefined symbol: set_demotion_target
@ 2021-08-08 18:20 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-08 18:20 UTC (permalink / raw)
  To: Yury Norov; +Cc: clang-built-linux, kbuild-all, linux-kernel

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tree: demotion
head:   78c3964952da24c07f2e34dc2d485fd2e6d5ba82
commit: 101e14d51cae3a28013f4e073b7067e405df0521 [5/6] sysfs: add /sys/kernel/mm/numa/demotion_list
config: x86_64-randconfig-a004-20210808 (attached as .config)
compiler: clang version 14.0.0 ( 41a6b50c25961addc04438b567ee1f4ef9e40f98)
reproduce (this is a W=1 build):
        wget -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add norov
        git fetch --no-tags norov demotion
        git checkout 101e14d51cae3a28013f4e073b7067e405df0521
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: set_demotion_target
   >>> referenced by mempolicy.c:3076 (mm/mempolicy.c:3076)
   >>>               mempolicy.o:(numa_demotion_list_store) in archive mm/built-in.a

0-DAY CI Kernel Test Service, Intel Corporation

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