blob: 8f9165a4e333a32181c6cc4b678d2e4eacc42d7e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * arch/sh/mm/pg-nommu.c
3 *
4 * clear_page()/copy_page() implementation for MMUless SH.
5 *
6 * Copyright (C) 2003 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License. See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/string.h>
15#include <asm/page.h>
16
17static void copy_page_nommu(void *to, void *from)
18{
19 memcpy(to, from, PAGE_SIZE);
20}
21
22static void clear_page_nommu(void *to)
23{
24 memset(to, 0, PAGE_SIZE);
25}
26
27static int __init pg_nommu_init(void)
28{
29 copy_page = copy_page_nommu;
30 clear_page = clear_page_nommu;
31
32 return 0;
33}
34
35subsys_initcall(pg_nommu_init);
36