--- a/hotspot/src/share/vm/gc/g1/g1GCPhaseTimes.hpp	Fri Oct 30 10:15:06 2015 +0100
+++ b/hotspot/src/share/vm/gc/g1/g1GCPhaseTimes.hpp	Sat Oct 31 15:27:48 2015 +0100
@@ -125,7 +125,7 @@
 
  public:
   G1GCPhaseTimes(uint max_gc_threads);
-  void note_gc_start(uint active_gc_threads, bool mark_in_progress);
+  void note_gc_start(uint active_gc_threads);
   void print(double pause_time_sec);
 
   // record the time a phase took in seconds