--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Thu Oct 16 10:21:29 2014 +0200
+++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Wed Oct 15 16:02:50 2014 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2014, 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
@@ -61,6 +61,8 @@
 
 #include <math.h>
 
+PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
+
 // All sizes are in HeapWords.
 const size_t ParallelCompactData::Log2RegionSize  = 16; // 64K words
 const size_t ParallelCompactData::RegionSize      = (size_t)1 << Log2RegionSize;
@@ -851,8 +853,7 @@
                            true,          // mt discovery
                            (int) ParallelGCThreads, // mt discovery degree
                            true,          // atomic_discovery
-                           &_is_alive_closure, // non-header is alive closure
-                           false);        // write barrier for next field updates
+                           &_is_alive_closure); // non-header is alive closure
   _counters = new CollectorCounters("PSParallelCompact", 1);
 
   // Initialize static fields in ParCompactionManager.
@@ -927,7 +928,7 @@
     _heap_used      = heap->used();
     _young_gen_used = heap->young_gen()->used_in_bytes();
     _old_gen_used   = heap->old_gen()->used_in_bytes();
-    _metadata_used  = MetaspaceAux::allocated_used_bytes();
+    _metadata_used  = MetaspaceAux::used_bytes();
   };
 
   size_t heap_used() const      { return _heap_used; }