--- old/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	2014-04-01 16:38:13.787585996 +0200
+++ new/src/share/vm/gc_implementation/parallelScavenge/psMarkSweep.cpp	2014-04-01 16:38:13.695585992 +0200
@@ -184,7 +184,7 @@
     size_t prev_used = heap->used();
 
     // Capture metadata size before collection for sizing.
-    size_t metadata_prev_used = MetaspaceAux::allocated_used_bytes();
+    size_t metadata_prev_used = MetaspaceAux::used_bytes();
 
     // For PrintGCDetails
     size_t old_gen_prev_used = old_gen->used_in_bytes();