init android origin source code

1 files changed, 21 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/arch/mn10300/mm/cache-disabled.c b/ANDROID_3.4.5/arch/mn10300/mm/cache-disabled.c
new file mode 100644
index 00000000..f669ea42
--- /dev/null
+++ b/ANDROID_3.4.5/arch/mn10300/mm/cache-disabled.c
@@ -0,0 +1,21 @@
+/* Handle the cache being disabled
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#include <linux/mm.h>
+
+/*
+ * allow userspace to flush the instruction cache
+ */
+asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
+{
+	if (end < start)
+		return -EINVAL;
+	return 0;
+}