--- a/src/hotspot/share/gc/z/zMark.hpp	Tue Oct 16 13:43:04 2018 +0200
+++ b/src/hotspot/share/gc/z/zMark.hpp	Tue Oct 16 13:14:18 2018 +0200
@@ -108,7 +108,7 @@
   template <bool finalizable, bool publish> void mark_object(uintptr_t addr);
 
   void start();
-  void mark();
+  void mark(bool initial);
   bool end();
 
   void flush_and_free();