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-rw-r--r--tools/testing/selftests/mm/uffd-stress.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/mm/uffd-stress.c b/tools/testing/selftests/mm/uffd-stress.c
index 7e83829bbb..f78bab0f3d 100644
--- a/tools/testing/selftests/mm/uffd-stress.c
+++ b/tools/testing/selftests/mm/uffd-stress.c
@@ -441,6 +441,12 @@ int main(int argc, char **argv)
parse_test_type_arg(argv[1]);
bytes = atol(argv[2]) * 1024 * 1024;
+ if (test_type == TEST_HUGETLB &&
+ get_free_hugepages() < bytes / page_size) {
+ printf("skip: Skipping userfaultfd... not enough hugepages\n");
+ return KSFT_SKIP;
+ }
+
nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
nr_pages_per_cpu = bytes / page_size / nr_cpus;