diff --git a/kernel-src/include/util.h b/kernel-src/include/util.h
new file mode 100644
index 00000000..a7999515
--- /dev/null
+++ b/kernel-src/include/util.h
@@ -0,0 +1,7 @@
+#ifndef _UTIL_H
+#define _UTIL_H
+
+#define ROUND_UP(v, n) (n - (v % n) + v)
+#define ROUND_DOWN(v, n) (v - (v % n))
+
+#endif