--- a/src/share/vm/runtime/biasedLocking.cpp	Mon Aug 20 15:21:31 2012 +0200
+++ b/src/share/vm/runtime/biasedLocking.cpp	Tue Aug 21 10:39:19 2012 +0200
@@ -687,8 +687,8 @@
   // monitors in a prepass and, if they are biased, preserve their
   // mark words here. This should be a relatively small set of objects
   // especially compared to the number of objects in the heap.
-  _preserved_mark_stack = new (ResourceObj::C_HEAP) GrowableArray<markOop>(10, true);
-  _preserved_oop_stack = new (ResourceObj::C_HEAP) GrowableArray<Handle>(10, true);
+  _preserved_mark_stack = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<markOop>(10, true);
+  _preserved_oop_stack = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<Handle>(10, true);
 
   ResourceMark rm;
   Thread* cur = Thread::current();