--- old/test/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java	2015-01-28 18:28:55.000000000 +0100
+++ new/test/gc/metaspace/CompressedClassSpaceSizeInJmapHeap.java	2015-01-28 18:28:55.000000000 +0100
@@ -36,6 +36,7 @@
 import java.util.List;
 
 public class CompressedClassSpaceSizeInJmapHeap {
+    // Note that on some platforms it may require root privileges to run this test.
     public static void main(String[] args) throws Exception {
         if (!Platform.is64bit()) {
             // Compressed Class Space is only available on 64-bit JVMs