22 	struct list_head head, *tail = &head;  in merge()  local
27 			tail->next = a;  in merge()
30 			tail->next = b;  in merge()
33 		tail = tail->next;  in merge()
35 	tail->next = a?:b;  in merge()
52 	struct list_head *tail = head;  in merge_and_restore_back_links()  local
58 			tail->next = a;  in merge_and_restore_back_links()
59 			a->prev = tail;  in merge_and_restore_back_links()
62 			tail->next = b;  in merge_and_restore_back_links()
63 			b->prev = tail;  in merge_and_restore_back_links()
66 		tail = tail->next;  in merge_and_restore_back_links()
68 	tail->next = a ? : b;  in merge_and_restore_back_links()
78 			(*cmp)(priv, tail->next, tail->next);  in merge_and_restore_back_links()
80 		tail->next->prev = tail;  in merge_and_restore_back_links()
81 		tail = tail->next;  in merge_and_restore_back_links()
82 	} while (tail->next);  in merge_and_restore_back_links()
84 	tail->next = head;  in merge_and_restore_back_links()
85 	head->prev = tail;  in merge_and_restore_back_links()