Index: kernel/generic/include/adt/list.h
===================================================================
--- kernel/generic/include/adt/list.h	(revision 55b77d9e6e4dab7c54e9826ca79d2d6a0ddb6d87)
+++ kernel/generic/include/adt/list.h	(revision b72efe87f3e33beaa3b0d0cf7c8b598a58f6a6de)
@@ -71,4 +71,7 @@
 	    iterator != &(list).head; iterator = iterator->next)
 
+#define assert_link_not_used(link) \
+	assert((link)->prev == NULL && (link)->next == NULL)
+
 /** Initialize doubly-linked circular list link
  *