15 void __list_add(struct list_head *new,  in __list_add()  argument
18 	next->prev = new;  in __list_add()
19 	new->next = next;  in __list_add()
20 	new->prev = prev;  in __list_add()
21 	prev->next = new;  in __list_add()
30 void list_add(struct list_head *new, struct list_head *head)  in list_add()  argument
32 	__list_add(new, head, head->next);  in list_add()
35 void list_add_tail(struct list_head *new, struct list_head *head)  in list_add_tail()  argument
37 	__list_add(new, head->prev, head);  in list_add_tail()
47 void list_replace(struct list_head *old, struct list_head *new)  in list_replace()  argument
49 	new->next = old->next;  in list_replace()
50 	new->next->prev = new;  in list_replace()
51 	new->prev = old->prev;  in list_replace()
52 	new->prev->next = new;  in list_replace()