Hi Mingwei, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/queue] [also build test ERROR on vhost/linux-next linux/master linus/master v5.14 next-20210827] [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/Mingwei-Zhang/selftests-verify-page-stats-in-kvm-x86-mmu/20210830-022817 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue config: x86_64-rhel-8.3-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/0fafdf6b378c081631b13e89a550992c2ddcfd4a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Mingwei-Zhang/selftests-verify-page-stats-in-kvm-x86-mmu/20210830-022817 git checkout 0fafdf6b378c081631b13e89a550992c2ddcfd4a # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash -C tools/testing/selftests install If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): dirty_log_perf_test.c: In function 'run_test': >> dirty_log_perf_test.c:236:28: error: macro "TEST_ASSERT" requires 3 arguments, but only 1 given 236 | "2M page number is zero"); | ^ In file included from include/kvm_util.h:10, from dirty_log_perf_test.c:17: include/test_util.h:46: note: macro "TEST_ASSERT" defined here 46 | #define TEST_ASSERT(e, fmt, ...) \ | >> dirty_log_perf_test.c:235:3: error: 'TEST_ASSERT' undeclared (first use in this function) 235 | TEST_ASSERT(get_page_stats(X86_PAGE_SIZE_2M) > 0 | ^~~~~~~~~~~ dirty_log_perf_test.c:235:3: note: each undeclared identifier is reported only once for each function it appears in --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org