--- old/src/share/vm/gc/g1/heapRegionManager.hpp	2015-11-05 13:45:02.494434291 +0100
+++ new/src/share/vm/gc/g1/heapRegionManager.hpp	2015-11-05 13:45:02.402433835 +0100
@@ -150,8 +150,9 @@
   // is valid.
   inline HeapRegion* at(uint index) const;
 
-  // Return the next region (by index) if that region is also humongous, NULL otherwise.
-  inline HeapRegion* next_humongous_region(HeapRegion* hr) const;
+  // Return the next region (by index) that is part of the same
+  // humongous object that hr is part of.
+  inline HeapRegion* next_region_in_humongous(HeapRegion* hr) const;
 
   // If addr is within the committed space return its corresponding
   // HeapRegion, otherwise return NULL.