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

@@ -20,10 +20,16 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTMARK_HPP
+#define SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTMARK_HPP
+
+#include "gc_implementation/g1/heapRegion.hpp"
+#include "utilities/taskqueue.hpp"
+
 class G1CollectedHeap;
 class CMTask;
 typedef GenericTaskQueue<oop>            CMTaskQueue;
 typedef GenericTaskQueueSet<CMTaskQueue> CMTaskQueueSet;
 

@@ -1118,5 +1124,7 @@
 
 #if _MARKING_STATS_
   void increase_objs_found_on_bitmap() { ++_objs_found_on_bitmap; }
 #endif // _MARKING_STATS_
 };
+
+#endif // SHARE_VM_GC_IMPLEMENTATION_G1_CONCURRENTMARK_HPP