--- old/src/hotspot/share/gc/z/zHeap.hpp	2019-03-13 12:29:27.143303871 +0100
+++ new/src/hotspot/share/gc/z/zHeap.hpp	2019-03-13 12:29:26.814293257 +0100
@@ -67,8 +67,13 @@
   size_t heap_max_size() const;
   size_t heap_max_reserve_size() const;
 
+  void before_flip();
+  void after_flip();
+
+  void flip_to_marked();
+  void flip_to_remapped();
+
   void out_of_memory();
-  void flip_views();
   void fixup_partial_loads();
 
 public: