diff a/src/hotspot/share/memory/virtualspace.hpp b/src/hotspot/share/memory/virtualspace.hpp
--- a/src/hotspot/share/memory/virtualspace.hpp
+++ b/src/hotspot/share/memory/virtualspace.hpp
@@ -38,11 +38,11 @@
   char*  _base;
   size_t _size;
   size_t _noaccess_prefix;
   size_t _alignment;
   bool   _special;
-  int    _fd_for_heap;
+  int    _fd;
  private:
   bool   _executable;
 
   // ReservedSpace
   ReservedSpace(char* base, size_t size, size_t alignment, bool special,