Hi Qu, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.5-rc5] [also build test ERROR on next-20200106] [cannot apply to btrfs/next] [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/Qu-Wenruo/Introduce-per-profile-available-space-array-to-avoid-over-confident-can_overcommit/20200107-025134 base: c79f46a282390e0f5b306007bf7b11a46d529538 config: m68k-multi_defconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> ERROR: "__udivdi3" [fs/btrfs/btrfs.ko] undefined! --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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