--- a/hotspot/src/share/vm/runtime/globals.hpp	Wed Feb 16 17:26:20 2011 -0800
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Mon Feb 21 04:49:17 2011 -0800
@@ -3692,7 +3692,7 @@
   product(uintx, SharedReadOnlySize,   10*M,                                \
           "Size of read-only space in permanent generation (in bytes)")     \
                                                                             \
-  product(uintx, SharedMiscDataSize,    4*M,                                \
+  product(uintx, SharedMiscDataSize,    NOT_LP64(4*M) LP64_ONLY(5*M),       \
           "Size of the shared data area adjacent to the heap (in bytes)")   \
                                                                             \
   product(uintx, SharedMiscCodeSize,    4*M,                                \