--- a/hotspot/src/share/vm/memory/metaspaceClosure.hpp	Wed Aug 30 19:18:22 2017 -0400
+++ b/hotspot/src/share/vm/memory/metaspaceClosure.hpp	Mon Aug 28 15:34:04 2017 -0700
@@ -275,7 +275,8 @@
       address, bool,
       UniqueMetaspaceClosure::my_hash,   // solaris compiler doesn't like: primitive_hash<address>
       UniqueMetaspaceClosure::my_equals, // solaris compiler doesn't like: primitive_equals<address>
-    16384> _has_been_visited;
+      15889,                             // prime number
+      ResourceObj::C_HEAP> _has_been_visited;
 };
 
 #endif // SHARE_VM_MEMORY_METASPACE_ITERATOR_HPP