diff -r 6d7d0790074d -r 3c648b9ad052 src/share/vm/memory/generation.hpp
--- a/src/share/vm/memory/generation.hpp	Fri Dec 09 19:28:34 2011 -0800
+++ b/src/share/vm/memory/generation.hpp	Wed Dec 14 12:15:26 2011 +0100
@@ -220,7 +220,7 @@
   MemRegion prev_used_region() const { return _prev_used_region; }
   virtual void  save_used_region()   { _prev_used_region = used_region(); }
 
-  // Returns "TRUE" iff "p" points into an allocated object in the generation.
+  // Returns "TRUE" iff "p" points into the committed areas in the generation.
   // For some kinds of generations, this may be an expensive operation.
   // To avoid performance problems stemming from its inadvertent use in
   // product jvm's, we restrict its use to assertion checking or