# File lib/innodb/space.rb, line 279
  def rseg_page?(page_number)
    if trx_sys
      rseg_match = trx_sys.rsegs.select { |rseg|
        rseg[:space_id] == 0 && rseg[:page_number] == page_number
      }

      ! rseg_match.empty?
    end
  end