diff -r c01f4910f5f5 -r aa6f2ea19d8f src/share/vm/runtime/arguments.cpp
--- a/src/share/vm/runtime/arguments.cpp	Thu Oct 10 13:25:51 2013 -0700
+++ b/src/share/vm/runtime/arguments.cpp	Fri Oct 11 08:27:21 2013 -0700
@@ -2657,16 +2657,16 @@
       FLAG_SET_CMDLINE(bool, BackgroundCompilation, false);
     // -Xmn for compatibility with other JVM vendors
     } else if (match_option(option, "-Xmn", &tail)) {
-      julong long_initial_eden_size = 0;
-      ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1);
+      julong long_initial_young_size = 0;
+      ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1);
       if (errcode != arg_in_range) {
         jio_fprintf(defaultStream::error_stream(),
-                    "Invalid initial eden size: %s\n", option->optionString);
+                    "Invalid initial young generation size: %s\n", option->optionString);
         describe_range_error(errcode);
         return JNI_EINVAL;
       }
-      FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size);
-      FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size);
+      FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size);
+      FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size);
     // -Xms
     } else if (match_option(option, "-Xms", &tail)) {
       julong long_initial_heap_size = 0;
@@ -3666,6 +3666,9 @@
   assert(verify_serial_gc_flags(), "SerialGC unset");
 #endif // INCLUDE_ALL_GCS
 
+  // Initialize Metaspace flags and alignments.
+  Metaspace::ergo_initialize();
+
   // Set bytecode rewriting flags
   set_bytecode_flags();