661 	h->pprev = NULL;  in INIT_HLIST_NODE()
666 	return !h->pprev;  in hlist_unhashed()
677 	struct hlist_node **pprev = n->pprev;  in __hlist_del()  local
679 	WRITE_ONCE(*pprev, next);  in __hlist_del()
681 		next->pprev = pprev;  in __hlist_del()
688 	n->pprev = LIST_POISON2;  in hlist_del()
704 		first->pprev = &n->next;  in hlist_add_head()
706 	n->pprev = &h->first;  in hlist_add_head()
713 	n->pprev = next->pprev;  in hlist_add_before()
715 	next->pprev = &n->next;  in hlist_add_before()
716 	WRITE_ONCE(*(n->pprev), n);  in hlist_add_before()
724 	n->pprev = &prev->next;  in hlist_add_behind()
727 		n->next->pprev  = &n->next;  in hlist_add_behind()
733 	n->pprev = &n->next;  in hlist_add_fake()
738 	return h->pprev == &h->next;  in hlist_fake()
748 	return !n->next && n->pprev == &h->first;  in hlist_is_singular_node()
760 		new->first->pprev = &new->first;  in hlist_move_list()