src/share/vm/memory/binaryTreeDictionary.hpp

@@ -25,10 +25,11 @@
 #ifndef SHARE_VM_MEMORY_BINARYTREEDICTIONARY_HPP
 #define SHARE_VM_MEMORY_BINARYTREEDICTIONARY_HPP
 
 #include "memory/freeBlockDictionary.hpp"
 #include "memory/freeList.hpp"
+#include "memory/memRegion.hpp"
 
 /*
  * A binary tree based search structure for free blocks.
  * This is currently used in the Concurrent Mark&Sweep implementation, but
  * will be used for free block management for metadata.