# endif
#else /* CONFIG_X86_32 */
# define SECTION_SIZE_BITS 27 /* matt - 128 is convenient right now */
-# define MAX_PHYSADDR_BITS 40
-# define MAX_PHYSMEM_BITS 40
+# define MAX_PHYSADDR_BITS 44
+# define MAX_PHYSMEM_BITS 44
#endif
#endif /* CONFIG_SPARSEMEM */