--- old/src/share/vm/services/virtualMemoryTracker.cpp	2014-08-18 14:09:39.324572000 -0400
+++ new/src/share/vm/services/virtualMemoryTracker.cpp	2014-08-18 14:09:38.160522000 -0400
@@ -337,10 +337,18 @@
 
         *reserved_rgn = rgn;
         return true;
-      } else {
-        ShouldNotReachHere();
-        return false;
-      }
+      } 
+      
+      // CDS mapping region.
+      // CDS reserves the whole region for mapping CDS archive, then maps each section into the region.
+      // NMT reports CDS as a whole.
+      if (reserved_rgn->flag() == mtClassShared) {
+        assert(reserved_rgn->contain_region(base_addr, size), "Reserved CDS region should contain this mapping region");
+        return true;
+      } 
+
+      ShouldNotReachHere();
+      return false;
     }
   }
 }