Hi Alexander, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Alexander-Duyck/mm-virtio-Provide-support-for-unused-page-reporting/20190813-150543 config: riscv-tinyconfig (attached as .config) compiler: riscv64-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 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:774:0, from include/linux/gfp.h:6, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:13, from init/main.c:17: >> include/linux/page_reporting.h:8:10: fatal error: asm/pgtable_types.h: No such file or directory #include ^~~~~~~~~~~~~~~~~~~~~ compilation terminated. vim +8 include/linux/page_reporting.h 4 5 #include 6 #include 7 #include > 8 #include 9 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation