--- old/src/hotspot/share/gc/shared/collectedHeap.hpp	2017-11-28 22:17:30.850498511 +0100
+++ new/src/hotspot/share/gc/shared/collectedHeap.hpp	2017-11-28 22:17:30.409503729 +0100
@@ -220,7 +220,7 @@
   // In many heaps, there will be a need to perform some initialization activities
   // after the Universe is fully formed, but before general heap allocation is allowed.
   // This is the correct place to place such initialization methods.
-  virtual void post_initialize() = 0;
+  virtual void post_initialize();
 
   // Stop any onging concurrent work and prepare for exit.
   virtual void stop() {}
@@ -535,6 +535,9 @@
   // Generate any dumps preceding or following a full gc
  private:
   void full_gc_dump(GCTimer* timer, bool before);
+
+  virtual void initialize_serviceability() = 0;
+
  public:
   void pre_full_gc_dump(GCTimer* timer);
   void post_full_gc_dump(GCTimer* timer);