memblock can now self re-allocate its internal buffers

memory allocated by memblock_alloc() can now be limited to a certain region.

sandbox/base/include/socks/status.h

@@ -0,0 +1,9 @@
+#ifndef SOCKS_STATUS_H_
+#define SOCKS_STATUS_H_
+
+typedef unsigned int kern_status_t;
+
+#define KERN_OK			(0)
+#define KERN_ERR_UNIMPLEMENTED	(1)
+
+#endif