diff options
Diffstat (limited to 'arch/sh/mm/pg-nommu.c')
-rw-r--r-- | arch/sh/mm/pg-nommu.c | 36 |
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 00000000000..8f9165a4e33 --- /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); + |