mirror of https://gitee.com/openkylin/linux.git
39 lines
766 B
C
39 lines
766 B
C
/*
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* arch/sh/mm/pg-nommu.c
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*
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* clear_page()/copy_page() implementation for MMUless SH.
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*
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* Copyright (C) 2003 Paul Mundt
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <asm/page.h>
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#include <asm/uaccess.h>
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void copy_page(void *to, void *from)
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{
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memcpy(to, from, PAGE_SIZE);
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}
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void clear_page(void *to)
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{
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memset(to, 0, PAGE_SIZE);
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}
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__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
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{
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memcpy(to, from, n);
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return 0;
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}
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__kernel_size_t __clear_user(void *to, __kernel_size_t n)
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{
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memset(to, 0, n);
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return 0;
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}
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