Hi yanghui, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.14-rc5] [cannot apply to hnaz-linux-mm/master next-20210813] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/yanghui/mm-mempolicy-fix-a-race-between-offset_il_node-and-mpol_rebind_task/20210814-004451 base: 36a21d51725af2ce0700c6ebcb6b9594aac658a6 config: x86_64-randconfig-a003-20210813 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 62df4df41c939205b2dc0a2a3bfb75b8c1ed74fa) 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/0day-ci/linux/commit/99d8d888eb92ea46a5f4883773f3edaee5ccd28e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review yanghui/mm-mempolicy-fix-a-race-between-offset_il_node-and-mpol_rebind_task/20210814-004451 git checkout 99d8d888eb92ea46a5f4883773f3edaee5ccd28e # 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: __compiletime_assert_467 >>> referenced by mempolicy.c:1968 (mm/mempolicy.c:1968) >>> mempolicy.o:(offset_il_node) in archive mm/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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