diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h
index 9211ba640d9c..adb5d294a220 100644
--- a/tools/testing/selftests/mm/vm_util.h
+++ b/tools/testing/selftests/mm/vm_util.h
@@ -3,6 +3,7 @@
 #include <stdbool.h>
 #include <sys/mman.h>
 #include <err.h>
+#include <stdarg.h>
 #include <strings.h> /* ffsl() */
 #include <unistd.h> /* _SC_PAGESIZE */
 #include "../kselftest.h"
@@ -95,6 +96,25 @@ static inline int open_self_procmap(struct procmap_fd *procmap_out)
 	return open_procmap(pid, procmap_out);
 }
 
+/* These helpers need to be inline to match the kselftest.h idiom. */
+static char test_name[1024];
+
+static inline void log_test_start(const char *name, ...)
+{
+	va_list args;
+	va_start(args, name);
+
+	vsnprintf(test_name, sizeof(test_name), name, args);
+	ksft_print_msg("[RUN] %s\n", test_name);
+
+	va_end(args);
+}
+
+static inline void log_test_result(int result)
+{
+	ksft_test_result_report(result, "%s\n", test_name);
+}
+
 /*
  * On ppc64 this will only work with radix 2M hugepage size
  */