--- old/src/share/vm/runtime/globals.hpp	Thu May 23 14:13:46 2013
+++ new/src/share/vm/runtime/globals.hpp	Thu May 23 14:13:46 2013
@@ -2302,6 +2302,10 @@
           "Print diagnostic message when GC is stalled"                     \
           "by JNI critical section")                                        \
                                                                             \
+  experimental(double, ObjectCountCutOffPercent, 0.5,                       \
+          "The percentage of the used heap that the instances of a class "  \
+          "must occupy for the class to generate a trace event.")           \
+                                                                            \
   /* GC log rotation setting */                                             \
                                                                             \
   product(bool, UseGCLogFileRotation, false,                                \
@@ -3633,6 +3637,11 @@
   product(bool, PrintGCCause, true,                                         \
           "Include GC cause in GC logging")                                 \
                                                                             \
+  experimental(uintx, ArrayAllocatorMallocLimit,                            \
+          SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx),                        \
+          "Allocation less than this value will be allocated "              \
+          "using malloc. Larger allocations will use mmap.")                \
+                                                                            \
   product(bool, EnableTracing, false,                                       \
                   "Enable event-based tracing")                             \
   product(bool, UseLockedTracing, false,                                    \