--- old/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/NMethod.java	2017-09-16 21:14:32.715715805 +0900
+++ new/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/NMethod.java	2017-09-16 21:14:32.511715336 +0900
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -71,7 +71,7 @@
       stack.  An not_entrant method can be removed when there is no
       more activations, i.e., when the _stack_traversal_mark is less than
       current sweep traversal index. */
-  private static JLongField stackTraversalMarkField;
+  private static CIntegerField stackTraversalMarkField;
 
   private static CIntegerField compLevelField;
 
@@ -105,7 +105,7 @@
     verifiedEntryPointField     = type.getAddressField("_verified_entry_point");
     osrEntryPointField          = type.getAddressField("_osr_entry_point");
     lockCountField              = type.getJIntField("_lock_count");
-    stackTraversalMarkField     = type.getJLongField("_stack_traversal_mark");
+    stackTraversalMarkField     = type.getCIntegerField("_stack_traversal_mark");
     compLevelField              = type.getCIntegerField("_comp_level");
     pcDescSize = db.lookupType("PcDesc").getSize();
   }