--- old/src/share/vm/services/memoryService.cpp	2014-10-17 15:27:21.000000000 +0200
+++ new/src/share/vm/services/memoryService.cpp	2014-10-17 15:27:21.000000000 +0200
@@ -160,8 +160,8 @@
   _managers_list->append(_minor_gc_manager);
   _managers_list->append(_major_gc_manager);
 
-  add_generation_memory_pool(heap->get_gen(minor), _major_gc_manager, _minor_gc_manager);
-  add_generation_memory_pool(heap->get_gen(major), _major_gc_manager);
+  add_generation_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
+  add_generation_memory_pool(heap->old_gen(), _major_gc_manager);
 }
 
 #if INCLUDE_ALL_GCS