25 			tail = &a->next;  in merge()
26 			a = a->next;  in merge()
33 			tail = &b->next;  in merge()
34 			b = b->next;  in merge()
61 			tail->next = a;  in merge_final()
64 			a = a->next;  in merge_final()
68 			tail->next = b;  in merge_final()
71 			b = b->next;  in merge_final()
80 	tail->next = b;  in merge_final()
93 		b = b->next;  in merge_final()
97 	tail->next = head;  in merge_final()
187 	struct list_head *list = head->next, *pending = NULL;  in list_sort()
194 	head->prev->next = NULL;  in list_sort()
234 		list = list->next;  in list_sort()
235 		pending->next = NULL;  in list_sort()
243 		struct list_head *next = pending->prev;  in list_sort()  local
245 		if (!next)  in list_sort()
248 		pending = next;  in list_sort()