--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Wed Jul 05 16:39:00 2017 +0200
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Sat Jul 19 17:38:22 2008 -0400
@@ -422,6 +422,8 @@
       return vspace;
     }
     delete vspace;
+    // Release memory reserved in the space.
+    rs.release();
   }
 
   return 0;