744 	h->pprev = NULL;  in INIT_HLIST_NODE()
749 	return !h->pprev;  in hlist_unhashed()
760 	struct hlist_node **pprev = n->pprev;  in __hlist_del()  local
762 	WRITE_ONCE(*pprev, next);  in __hlist_del()
764 		next->pprev = pprev;  in __hlist_del()
771 	n->pprev = LIST_POISON2;  in hlist_del()
787 		first->pprev = &n->next;  in hlist_add_head()
789 	n->pprev = &h->first;  in hlist_add_head()
796 	n->pprev = next->pprev;  in hlist_add_before()
798 	next->pprev = &n->next;  in hlist_add_before()
799 	WRITE_ONCE(*(n->pprev), n);  in hlist_add_before()
807 	n->pprev = &prev->next;  in hlist_add_behind()
810 		n->next->pprev  = &n->next;  in hlist_add_behind()
816 	n->pprev = &n->next;  in hlist_add_fake()
821 	return h->pprev == &h->next;  in hlist_fake()
831 	return !n->next && n->pprev == &h->first;  in hlist_is_singular_node()
843 		new->first->pprev = &new->first;  in hlist_move_list()