--- old/src/share/vm/runtime/park.hpp	2016-10-25 10:40:10.918778679 +0200
+++ new/src/share/vm/runtime/park.hpp	2016-10-25 10:40:10.871778648 +0200
@@ -47,7 +47,7 @@
 
 class Parker : public os::PlatformParker {
 private:
-  volatile int _counter ;
+  volatile intptr_t _counter ;
   Parker * FreeNext ;
   JavaThread * AssociatedWith ; // Current association
 
@@ -63,7 +63,7 @@
   // For simplicity of interface with Java, all forms of park (indefinite,
   // relative, and absolute) are multiplexed into one call.
   void park(bool isAbsolute, jlong time);
-  void unpark();
+  void unpark(JavaThread *thread);
 
   // Lifecycle operators
   static Parker * Allocate (JavaThread * t) ;