001/*
002 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
003 *
004 *  This file is licensed to You under the Eclipse Public License (EPL);
005 *  You may not use this file except in compliance with the License. You
006 *  may obtain a copy of the License at
007 *
008 *      http://www.opensource.org/licenses/eclipse-1.0.php
009 *
010 *  See the COPYRIGHT.txt file distributed with this work for information
011 *  regarding copyright ownership.
012 */
013package org.mmtk.utility.options;
014
015import static org.mmtk.policy.immix.ImmixConstants.DEFAULT_DEFRAG_FREE_HEADROOM;
016
017public class DefragFreeHeadroom extends org.vmutil.options.PagesOption {
018  /**
019   * Create the option.
020   */
021  public DefragFreeHeadroom() {
022    super(Options.set, "Defrag Free Headroom",
023          "Allow the defragmenter this amount of free headroom during defrag. For analysis purposes only!",
024          DEFAULT_DEFRAG_FREE_HEADROOM);
025  }
026}