--- old/src/share/vm/gc_implementation/g1/concurrentMark.hpp	2013-03-12 14:50:12.333506718 -0700
+++ new/src/share/vm/gc_implementation/g1/concurrentMark.hpp	2013-03-12 14:50:12.125181392 -0700
@@ -1146,7 +1146,10 @@
   // trying not to exceed the given duration. However, it might exit
   // prematurely, according to some conditions (i.e. SATB buffers are
   // available for processing).
-  void do_marking_step(double target_ms, bool do_stealing, bool do_termination);
+  void do_marking_step(double target_ms,
+                       bool do_stealing,
+                       bool do_termination,
+                       bool is_serial);
 
   // These two calls start and stop the timer
   void record_start_time() {