1 files changed, 36 insertions, 0 deletions

diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
new file mode 100644
index 000000000000..8f9165a4e333
--- /dev/null
+++ b/arch/sh/mm/pg-nommu.c
@@ -0,0 +1,36 @@
+/*
+ * arch/sh/mm/pg-nommu.c
+ *
+ * clear_page()/copy_page() implementation for MMUless SH.
+ *
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/page.h>
+
+static void copy_page_nommu(void *to, void *from)
+{
+        memcpy(to, from, PAGE_SIZE);
+}
+
+static void clear_page_nommu(void *to)
+{
+        memset(to, 0, PAGE_SIZE);
+}
+
+static int __init pg_nommu_init(void)
+{
+        copy_page = copy_page_nommu;
+        clear_page = clear_page_nommu;
+
+        return 0;
+}
+
+subsys_initcall(pg_nommu_init);
+