38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
|
/*
|
||
|
|
* Based on arch/arm/mm/copypage.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002 Deep Blue Solutions Ltd, All Rights Reserved.
|
||
|
|
* Copyright (C) 2012 ARM Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/mm.h>
|
||
|
|
|
||
|
|
#include <asm/page.h>
|
||
|
|
#include <asm/cacheflush.h>
|
||
|
|
|
||
|
|
void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
|
||
|
|
{
|
||
|
|
struct page *page = virt_to_page(kto);
|
||
|
|
copy_page(kto, kfrom);
|
||
|
|
flush_dcache_page(page);
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
|
||
|
|
|
||
|
|
void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
|
||
|
|
{
|
||
|
|
clear_page(kaddr);
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(__cpu_clear_user_page);
|