diff -r 74533f63b116 -r d2a62e0f25eb src/share/vm/services/lowMemoryDetector.hpp
--- a/src/share/vm/services/lowMemoryDetector.hpp	Wed Jun 27 15:23:36 2012 +0200
+++ b/src/share/vm/services/lowMemoryDetector.hpp	Thu Jun 28 17:03:16 2012 -0400
@@ -63,7 +63,7 @@
 class OopClosure;
 class MemoryPool;
 
-class ThresholdSupport : public CHeapObj {
+class ThresholdSupport : public CHeapObj<mtInternal> {
  private:
   bool            _support_high_threshold;
   bool            _support_low_threshold;
@@ -112,7 +112,7 @@
   }
 };
 
-class SensorInfo : public CHeapObj {
+class SensorInfo : public CHeapObj<mtInternal> {
 private:
   instanceOop     _sensor_obj;
   bool            _sensor_on;