Index: kernel/generic/include/macros.h
===================================================================
--- kernel/generic/include/macros.h	(revision 8df5f20c3e20072bcf616568836c1d08eba227c2)
+++ kernel/generic/include/macros.h	(revision cf786378f359876f2ac0ade15f52dc7f254a362b)
@@ -164,4 +164,14 @@
 	    ((void *) &(((type *) 0)->member_identif))))
 
+/** Get the size of an array in array elements
+ *
+ * @param array Array to determine the size of
+ *
+ * @return Size of array in array elements
+ *
+ */
+#define sizeof_array(array) \
+	(sizeof(array) / sizeof((array)[0]))
+
 #endif