src/share/vm/gc_implementation/g1/g1RemSet.hpp

@@ -20,10 +20,13 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP
+
 // A G1RemSet provides ways of iterating over pointers into a selected
 // collection set.
 
 class G1CollectedHeap;
 class CardTableModRefBarrierSet;

@@ -213,5 +216,7 @@
     _g1_rem_set(rs) {}
 
   virtual void do_oop(narrowOop* p) { do_oop_work(p); }
   virtual void do_oop(      oop* p) { do_oop_work(p); }
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_HPP