573 	h->pprev = NULL;  in INIT_HLIST_NODE()
578 	return !h->pprev;  in hlist_unhashed()
589 	struct hlist_node **pprev = n->pprev;  in __hlist_del()  local
590 	*pprev = next;  in __hlist_del()
592 		next->pprev = pprev;  in __hlist_del()
599 	n->pprev = LIST_POISON2;  in hlist_del()
615 		first->pprev = &n->next;  in hlist_add_head()
617 	n->pprev = &h->first;  in hlist_add_head()
624 	n->pprev = next->pprev;  in hlist_add_before()
626 	next->pprev = &n->next;  in hlist_add_before()
627 	*(n->pprev) = n;  in hlist_add_before()
635 	next->pprev = &n->next;  in hlist_add_after()
638 		next->next->pprev  = &next->next;  in hlist_add_after()
644 	n->pprev = &n->next;  in hlist_add_fake()
656 		new->first->pprev = &new->first;  in hlist_move_list()