Hi Guoyun, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.7-rc3 next-20200428] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Guoyun-Sun/mips-mm-Add-page-soft-dirty-tracking/20200423-050636 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 18bf34080c4c3beb6699181986cc97dd712498fe config: mips-randconfig-a001-20200428 (attached as .config) compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project f30416fdde922eaa655934e050026930fefbd260) reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: __compiletime_assert_148 >>> referenced by init.c:453 (arch/mips/mm/init.c:453) >>> mm/init.o:(mem_init) in archive arch/mips/built-in.a --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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