diff -r fb8abed44792 -r 36d1eb1bb075 hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp
--- a/hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp	Mon Mar 16 08:01:32 2009 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp	Mon Mar 16 10:52:44 2009 -0400
@@ -295,6 +295,14 @@
                                                                             \
   product(uintx, G1FixedSurvivorSpaceSize, 0,                               \
           "If non-0 is the size of the G1 survivor space, "                 \
-          "otherwise SurvivorRatio is used to determine the size")
+          "otherwise SurvivorRatio is used to determine the size")          \
+                                                                            \
+  experimental(bool, G1EnableParallelRSetUpdating, false,                   \
+          "Enables the parallelization of remembered set updating "         \
+          "during evacuation pauses")                                       \
+                                                                            \
+  experimental(bool, G1EnableParallelRSetScanning, false,                   \
+          "Enables the parallelization of remembered set scanning "         \
+          "during evacuation pauses")
 
 G1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG)