--- a/src/hotspot/share/gc/z/zHeapIterator.hpp	Wed Mar 13 11:31:00 2019 +0100
+++ b/src/hotspot/share/gc/z/zHeapIterator.hpp	Wed Mar 13 11:31:00 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -36,8 +36,8 @@
   friend class ZHeapIteratorOopClosure;
 
 private:
-  typedef ZAddressRangeMap<ZHeapIteratorBitMap*, ZPageSizeMinShift>         ZVisitMap;
-  typedef ZAddressRangeMapIterator<ZHeapIteratorBitMap*, ZPageSizeMinShift> ZVisitMapIterator;
+  typedef ZAddressRangeMap<ZHeapIteratorBitMap*, ZGranuleSizeShift>         ZVisitMap;
+  typedef ZAddressRangeMapIterator<ZHeapIteratorBitMap*, ZGranuleSizeShift> ZVisitMapIterator;
   typedef Stack<oop, mtGC>                                                  ZVisitStack;
 
   ZVisitStack _visit_stack;