#endif
#ifdef CONFIG_CPU_COPY_V6
-# ifdef _USER
-# define MULTI_USER 1
-# else
-# define _USER v6
-# endif
+# define MULTI_USER 1
#endif
-#ifndef _USER
+#if !defined(_USER) && !defined(MULTI_USER)
#error Unknown user operations model
#endif
} while (0)
#define clear_page(page) memzero((void *)(page), PAGE_SIZE)
-extern void copy_page(void *to, void *from);
+extern void copy_page(void *to, const void *from);
#undef STRICT_MM_TYPECHECKS