/* Used during early boot */
 static unsigned long brk_end;
 
-static void map_cb(void *unused)
-{
-       map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0);
-}
-
 #ifdef CONFIG_HIGHMEM
 static void setup_highmem(unsigned long highmem_start,
                          unsigned long highmem_len)
         * to be turned on.
         */
        brk_end = (unsigned long) UML_ROUND_UP(sbrk(0));
-       map_cb(NULL);
-       initial_thread_cb(map_cb, NULL);
+       map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0);
        free_bootmem(__pa(brk_end), uml_reserved - brk_end);
        uml_reserved = brk_end;