--- old/src/share/vm/classfile/classLoaderData.cpp	2014-12-10 11:28:18.109562000 -0500
+++ new/src/share/vm/classfile/classLoaderData.cpp	2014-12-10 11:28:14.750330000 -0500
@@ -81,7 +81,8 @@
   _metaspace(NULL), _unloading(false), _klasses(NULL),
   _claimed(0), _jmethod_ids(NULL), _handles(NULL), _deallocate_list(NULL),
   _next(NULL), _dependencies(dependencies),
-  _metaspace_lock(new Mutex(Monitor::leaf+1, "Metaspace allocation lock", true)) {
+  _metaspace_lock(new Mutex(Monitor::leaf+1, "Metaspace allocation lock", true,
+                            Monitor::_safepoint_check_never)) {
     // empty
 }