454 	struct rb_node node;  member
460 static struct hyp_shared_pfn *find_shared_pfn(u64 pfn, struct rb_node ***node,  in find_shared_pfn()  argument
465 	*node = &hyp_shared_pfns.rb_node;  in find_shared_pfn()
467 	while (**node) {  in find_shared_pfn()
468 		this = container_of(**node, struct hyp_shared_pfn, node);  in find_shared_pfn()
469 		*parent = **node;  in find_shared_pfn()
471 			*node = &((**node)->rb_left);  in find_shared_pfn()
473 			*node = &((**node)->rb_right);  in find_shared_pfn()
483 	struct rb_node **node, *parent;  in share_pfn_hyp()  local
488 	this = find_shared_pfn(pfn, &node, &parent);  in share_pfn_hyp()
502 	rb_link_node(&this->node, parent, node);  in share_pfn_hyp()
503 	rb_insert_color(&this->node, &hyp_shared_pfns);  in share_pfn_hyp()
513 	struct rb_node **node, *parent;  in unshare_pfn_hyp()  local
518 	this = find_shared_pfn(pfn, &node, &parent);  in unshare_pfn_hyp()
528 	rb_erase(&this->node, &hyp_shared_pfns);  in unshare_pfn_hyp()