--- old/src/share/vm/memory/filemap.hpp	2016-09-14 11:20:36.783533957 -0700
+++ new/src/share/vm/memory/filemap.hpp	2016-09-14 11:20:36.664525588 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, 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
@@ -155,6 +155,7 @@
     // loading failures during runtime.
     int _classpath_entry_table_size;
     size_t _classpath_entry_size;
+    int    _num_patch_mod_prefixes;   // number of --patch-module entries
     SharedClassPathEntry* _classpath_entry_table;
 
     char* region_addr(int idx);