--- old/agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java	2014-02-10 13:42:26.616132355 +0100
+++ new/agent/src/share/classes/sun/jvm/hotspot/gc_implementation/g1/G1CollectedHeap.java	2014-02-10 13:42:26.520132354 +0100
@@ -51,9 +51,9 @@
     static private CIntegerField summaryBytesUsedField;
     // G1MonitoringSupport* _g1mm;
     static private AddressField g1mmField;
-    // MasterOldRegionSet _old_set;
+    // OldRegionSet _old_set;
     static private long oldSetFieldOffset;
-    // MasterHumongousRegionSet _humongous_set;
+    // HumongousRegionSet _humongous_set;
     static private long humongousSetFieldOffset;
 
     static {