--- old/src/hotspot/share/memory/virtualspace.hpp	2018-06-13 17:32:29.618000000 -0700
+++ new/src/hotspot/share/memory/virtualspace.hpp	2018-06-13 17:32:29.457000000 -0700
@@ -42,7 +42,6 @@
   size_t _alignment;
   bool   _special;
   int    _fd_for_heap;
-  int    _fd_for_nvdimm;
  private:
   bool   _executable;
 
@@ -69,8 +68,8 @@
   // Accessors
   char*  base()            const { return _base;      }
   char*  nvdimm_base()     const { return _nvdimm_base; }
-  int    nvdimm_fd()       const { return _fd_for_nvdimm; }
-  void   setup_fd(int fd)  {_fd_for_nvdimm = fd; } 
+  int    nvdimm_fd()       const { return _fd_for_heap; }
+  void   setup_fd(int fd)  {_fd_for_heap = fd; } 
   size_t size()            const { return _size;      }
   size_t nvdimm_size()     const { return _nvdimm_size;  }
   char*  end()             const { return _base + _size; }