# File lib/action_controller/caching.rb, line 116
      def expire_page(options = {})
        return unless perform_caching
        if options[:action].is_a?(Array)
          options[:action].dup.each do |action|
            self.class.expire_page(url_for(options.merge({ :only_path => true, :skip_relative_url_root => true, :action => action })))
          end
        else
          self.class.expire_page(url_for(options.merge({ :only_path => true, :skip_relative_url_root => true })))
        end
      end