diff -r 76fc8456723d -r ba4aeedb2a9f hotspot/src/share/vm/runtime/os.hpp
--- a/hotspot/src/share/vm/runtime/os.hpp	Wed Apr 02 16:08:59 2014 +0100
+++ b/hotspot/src/share/vm/runtime/os.hpp	Thu Apr 03 09:28:28 2014 +0000
@@ -450,8 +450,8 @@
     // yield that can be used in lieu of blocking.
   } ;
   static YieldResult NakedYield () ;
-  static void yield_all(int attempts = 0); // Yields to all other threads including lower priority
-  static void loop_breaker(int attempts);  // called from within tight loops to possibly influence time-sharing
+  static void yield_all(); // Yields to all other threads including lower priority
+                           // (for the default scheduling policy)
   static OSReturn set_priority(Thread* thread, ThreadPriority priority);
   static OSReturn get_priority(const Thread* const thread, ThreadPriority& priority);