--- old/src/share/vm/gc/shared/genCollectedHeap.hpp	2016-09-20 14:25:49.739233312 +0200
+++ new/src/share/vm/gc/shared/genCollectedHeap.hpp	2016-09-20 14:25:49.587227377 +0200
@@ -374,16 +374,7 @@
   // asserted to be this type.
   static GenCollectedHeap* heap();
 
-  // Invoke the "do_oop" method of one of the closures "not_older_gens"
-  // or "older_gens" on root locations for the generations depending on
-  // the type.  (The "older_gens" closure is used for scanning references
-  // from older generations; "not_older_gens" is used everywhere else.)
-  // If "younger_gens_as_roots" is false, younger generations are
-  // not scanned as roots; in this case, the caller must be arranging to
-  // scan the younger generations itself.  (For example, a generation might
-  // explicitly mark reachable objects in younger generations, to avoid
-  // excess storage retention.)
-  // The "so" argument determines which of the roots
+  // The ScanningOption determines which of the roots
   // the closure is applied to:
   // "SO_None" does none;
   enum ScanningOption {
@@ -407,6 +398,11 @@
                            OopsInGenClosure* old_gen_closure,
                            CLDClosure* cld_closure);
 
+  // If "young_gen_as_roots" is false, younger generations are
+  // not scanned as roots; in this case, the caller must be arranging to
+  // scan the younger generations itself.  (For example, a generation might
+  // explicitly mark reachable objects in younger generations, to avoid
+  // excess storage retention.)
   void old_process_roots(StrongRootsScope* scope,
                          bool young_gen_as_roots,
                          ScanningOption so,