public function index() {
    // ....
    $this->pagination->initialize($config);
    $data['pagination'] = $this->pagination->create_links();
    $limit = $config['per_page'];
    $offset = ($this->uri->segment(3)) ? $this->uri->segment(3) : 0;
    $where = "id IS NOT NULL";
    $servidores = $this->server->listarServidores($this->select, $where, $limit, $offset);
    $data['servidores'] = $servidores;
    $this->template->load('template_view', 'home/home_view', $data);

}

$data["limit"] = $limit;