601 	h->pprev = NULL;  in INIT_HLIST_NODE()
606 	return !h->pprev;  in hlist_unhashed()
617 	struct hlist_node **pprev = n->pprev;  in __hlist_del()  local
619 	WRITE_ONCE(*pprev, next);  in __hlist_del()
621 		next->pprev = pprev;  in __hlist_del()
628 	n->pprev = LIST_POISON2;  in hlist_del()
644 		first->pprev = &n->next;  in hlist_add_head()
646 	n->pprev = &h->first;  in hlist_add_head()
653 	n->pprev = next->pprev;  in hlist_add_before()
655 	next->pprev = &n->next;  in hlist_add_before()
656 	*(n->pprev) = n;  in hlist_add_before()
664 	n->pprev = &prev->next;  in hlist_add_behind()
667 		n->next->pprev  = &n->next;  in hlist_add_behind()
673 	n->pprev = &n->next;  in hlist_add_fake()
678 	return h->pprev == &h->next;  in hlist_fake()
690 		new->first->pprev = &new->first;  in hlist_move_list()