blob: 13bbc3be6f5ab31a24d6d0a03b8f368ea6923ed8 [file] [log] [blame]
Catalin Marinas1d18c472012-03-05 11:49:27 +00001/*
2 * Based on arch/arm/mm/copypage.c
3 *
4 * Copyright (C) 2002 Deep Blue Solutions Ltd, All Rights Reserved.
5 * Copyright (C) 2012 ARM Ltd.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <linux/mm.h>
21
22#include <asm/page.h>
23#include <asm/cacheflush.h>
24
25void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
26{
27 copy_page(kto, kfrom);
28 __flush_dcache_area(kto, PAGE_SIZE);
29}
Mark Salterbec7ced2014-06-17 18:14:26 +010030EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
Catalin Marinas1d18c472012-03-05 11:49:27 +000031
32void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
33{
34 clear_page(kaddr);
35}
Mark Salterbec7ced2014-06-17 18:14:26 +010036EXPORT_SYMBOL_GPL(__cpu_clear_user_page);