Add tests for 2MB and 1GB page sizes.
Signed-off-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>
---
.../testing/selftests/kvm/guest_memfd_test.c | 33 ++++++++++++++-----
1 file changed, 24 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c
index 059b33cdecec..6e24631119c6 100644
--- a/tools/testing/selftests/kvm/guest_memfd_test.c
+++ b/tools/testing/selftests/kvm/guest_memfd_test.c
@@ -90,20 +90,14 @@ static void test_fallocate(int fd, size_t page_size, size_t total_size)
TEST_ASSERT(!ret, "fallocate to restore punched hole should succeed");
}
-
-int main(int argc, char *argv[])
+void test_guest_mem(struct kvm_vm *vm, uint32_t flags, size_t page_size)
{
- size_t page_size;
- size_t total_size;
int fd;
- struct kvm_vm *vm;
+ size_t total_size;
- page_size = getpagesize();
total_size = page_size * 4;
- vm = vm_create_barebones();
-
- fd = vm_create_guest_memfd(vm, total_size, 0);
+ fd = vm_create_guest_memfd(vm, total_size, flags);
test_file_read_write(fd);
test_mmap(fd, page_size);
@@ -112,3 +106,24 @@ int main(int argc, char *argv[])
close(fd);
}
+
+int main(int argc, char *argv[])
+{
+ struct kvm_vm *vm = vm_create_barebones();
+
+ printf("Test guest mem 4K\n");
+ test_guest_mem(vm, 0, getpagesize());
+ printf(" PASSED\n");
+
+ printf("Test guest mem hugetlb 2M\n");
+ test_guest_mem(
+ vm, KVM_GUEST_MEMFD_HUGETLB | KVM_GUEST_MEMFD_HUGE_2MB, 2UL << 20);
+ printf(" PASSED\n");
+
+ printf("Test guest mem hugetlb 1G\n");
+ test_guest_mem(
+ vm, KVM_GUEST_MEMFD_HUGETLB | KVM_GUEST_MEMFD_HUGE_1GB, 1UL << 30);
+ printf(" PASSED\n");
+
+ return 0;
+}
--
2.41.0.rc0.172.g3f132b7071-goog
