extern void klist_add_tail(struct klist_node *n, struct klist *k);
extern void klist_add_head(struct klist_node *n, struct klist *k);
-extern void klist_add_after(struct klist_node *n, struct klist_node *pos);
+extern void klist_add_behind(struct klist_node *n, struct klist_node *pos);
extern void klist_add_before(struct klist_node *n, struct klist_node *pos);
extern void klist_del(struct klist_node *n);