--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp	Mon Sep 12 16:09:50 2011 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.hpp	Wed Oct 05 08:44:10 2011 -0700
@@ -395,8 +395,8 @@
   // Coarse table iteration fields:
 
   // Current region index;
-  int _coarse_cur_region_index;
-  int _coarse_cur_region_cur_card;
+  int    _coarse_cur_region_index;
+  size_t _coarse_cur_region_cur_card;
 
   bool coarse_has_next(size_t& card_index);