tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Based on arch/arm/mm/copypage.c
4 *
5 * Copyright (C) 2002 Deep Blue Solutions Ltd, All Rights Reserved.
6 * Copyright (C) 2012 ARM Ltd.
7 */
8
9#include <linux/mm.h>
10
11#include <asm/page.h>
12#include <asm/cacheflush.h>
13
14void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
15{
16 struct page *page = virt_to_page(kto);
17 copy_page(kto, kfrom);
18 flush_dcache_page(page);
19}
20EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
21
22void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
23{
24 clear_page(kaddr);
25}
26EXPORT_SYMBOL_GPL(__cpu_clear_user_page);