--- old/src/share/vm/gc_implementation/g1/heapRegion.hpp	2011-10-20 08:37:59.694746900 +0200
+++ new/src/share/vm/gc_implementation/g1/heapRegion.hpp	2011-10-20 08:37:59.257946100 +0200
@@ -431,6 +431,12 @@
     return _humongous_start_region;
   }
 
+  // Same as Space::is_in_reserved, but will use the actual size of a humongous start
+  // region rather than the end of the humongous object.
+  bool is_in_reserved_raw(const void* p) const {
+    return _bottom <= p && p < _orig_end;
+  }
+
   // Makes the current region be a "starts humongous" region, i.e.,
   // the first region in a series of one or more contiguous regions
   // that will contain a single "humongous" object. The two parameters