| /* |
| * 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> |
| |
| void copy_page_nommu(void *to, void *from) |
| { |
| memcpy(to, from, PAGE_SIZE); |
| } |
| |
| void clear_page_nommu(void *to) |
| { |
| memset(to, 0, PAGE_SIZE); |
| } |
| |
| __kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n) |
| { |
| memcpy(to, from, n); |
| return 0; |
| } |
| |
| __kernel_size_t __clear_user(void *to, __kernel_size_t n) |
| { |
| memset(to, 0, n); |
| return 0; |
| } |