[MIPS] Export __copy_user_inatomic.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/uaccess.h b/include/asm-mips/uaccess.h
index c62c20e..b255117 100644
--- a/include/asm-mips/uaccess.h
+++ b/include/asm-mips/uaccess.h
@@ -435,6 +435,8 @@
 	__cu_len;							\
 })
 
+extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n);
+
 #define __copy_to_user_inatomic(to,from,n)				\
 ({									\
 	void __user *__cu_to;						\