	private function _maxrevisions( $option ) {
		$this->addWhere( "((SELECT count(rev_aux3.revactor_page) FROM {$this->tableNames['revision_actor_temp']} AS rev_aux3 WHERE rev_aux3.revactor_page = {$this->tableNames['page']}.page_id) <= {$option})" );
	}
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.