--- a/src/hotspot/share/gc/g1/g1PageBasedVirtualSpace.hpp	Fri Dec 21 18:26:55 2018 +0000
+++ b/src/hotspot/share/gc/g1/g1PageBasedVirtualSpace.hpp	Fri Dec 21 08:18:59 2018 -0800
@@ -136,6 +136,8 @@
   // Memory left to use/expand in this virtual space.
   size_t uncommitted_size() const;
 
+  void commit_and_set_special();
+
   bool contains(const void* p) const;
 
   MemRegion reserved() {