sh: export copy-page() to modules

ERROR: "copy_page" [fs/unionfs/unionfs.ko] undefined!

like all the other architectures.

Cc: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
index 8004c38..dd38a68 100644
--- a/arch/sh/kernel/sh_ksyms_64.c
+++ b/arch/sh/kernel/sh_ksyms_64.c
@@ -42,6 +42,7 @@
 EXPORT_SYMBOL(__up);
 EXPORT_SYMBOL(__put_user_asm_l);
 EXPORT_SYMBOL(__get_user_asm_l);
+EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(__copy_user);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(__udelay);