--- a/hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp	Mon Mar 02 16:37:04 2009 -0800
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp	Fri Mar 06 13:50:14 2009 -0800
@@ -172,6 +172,9 @@
   develop(bool, G1RSBarrierUseQueue, true,                                  \
           "If true, use queueing RS barrier")                               \
                                                                             \
+  develop(bool, G1DeferredRSUpdate, true,                                   \
+          "If true, use deferred RS updates")                               \
+                                                                            \
   develop(bool, G1RSLogCheckCardTable, false,                               \
           "If true, verify that no dirty cards remain after RS log "        \
           "processing.")                                                    \