--- old/src/share/vm/gc/g1/g1CollectorPolicy.hpp	2015-10-28 21:17:04.707928819 +0100
+++ new/src/share/vm/gc/g1/g1CollectorPolicy.hpp	2015-10-28 21:17:04.610925963 +0100
@@ -526,6 +526,8 @@
   // as a percentage of the current heap capacity.
   double reclaimable_bytes_perc(size_t reclaimable_bytes) const;
 
+  // Sets up marking if proper conditions are met.
+  void maybe_start_marking();
 public:
 
   G1CollectorPolicy();