*** old/agent/src/share/classes/sun/jvm/hotspot/memory/FreeChunk.java	Tue Aug  4 13:19:43 2009
--- new/agent/src/share/classes/sun/jvm/hotspot/memory/FreeChunk.java	Tue Aug  4 13:19:43 2009

*** 61,71 ****
--- 61,71 ----
        return (FreeChunk) VMObjectFactory.newObject(FreeChunk.class, prev);
     }
  
     public long size() {
        if (VM.getVM().isCompressedOopsEnabled()) {
!         Mark mark = new Mark(sizeField.getValue(addr));
!         Mark mark = new Mark(addr.addOffsetTo(sizeField.getOffset()));
          return mark.getSize();
        } else {
          Address size = sizeField.getValue(addr);
          Debugger dbg = VM.getVM().getDebugger();
          return dbg.getAddressValue(size);

*** 81,91 ****
--- 81,91 ----
        return f.isFree();
     }
  
     public boolean isFree() {
        if (VM.getVM().isCompressedOopsEnabled()) {
!         Mark mark = new Mark(sizeField.getValue(addr));
!         Mark mark = new Mark(addr.addOffsetTo(sizeField.getOffset()));
          return mark.isCmsFreeChunk();
        } else {
          Address prev = prevField.getValue(addr);
          Debugger dbg = VM.getVM().getDebugger();
          long word = dbg.getAddressValue(prev);