--- old/src/share/vm/runtime/os.hpp	2012-12-13 05:31:23.000000000 +0100
+++ new/src/share/vm/runtime/os.hpp	2012-12-13 05:31:23.000000000 +0100
@@ -255,6 +255,7 @@
   static int    vm_allocation_granularity();
   static char*  reserve_memory(size_t bytes, char* addr = 0,
                                size_t alignment_hint = 0);
+  static char*  reserve_memory_aligned(size_t bytes, size_t alignment);
   static char*  attempt_reserve_memory_at(size_t bytes, char* addr);
   static void   split_reserved_memory(char *base, size_t size,
                                       size_t split, bool realloc);