[linux-2.6-block.git] / arch / arm64 / mm / copypage.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Based on arch/arm/mm/copypage.c
 *
 * Copyright (C) 2002 Deep Blue Solutions Ltd, All Rights Reserved.
 * Copyright (C) 2012 ARM Ltd.
 */

#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);
Commit	Line	Data
caab277b	1	// SPDX-License-Identifier: GPL-2.0-only
1d18c47c CM	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.
1d18c47c CM	7	*/
	8
	9	#include <linux/mm.h>
	10
	11	#include <asm/page.h>
	12	#include <asm/cacheflush.h>
	13
	14	void __cpu_copy_user_page(void kto, const void kfrom, unsigned long vaddr)
	15	{
e6b1185f	16	struct page *page = virt_to_page(kto);
1d18c47c	17	copy_page(kto, kfrom);
e6b1185f	18	flush_dcache_page(page);
1d18c47c	19	}
bec7cedc	20	EXPORT_SYMBOL_GPL(__cpu_copy_user_page);
1d18c47c CM	21
	22	void __cpu_clear_user_page(void *kaddr, unsigned long vaddr)
	23	{
	24	clear_page(kaddr);
	25	}
bec7cedc	26	EXPORT_SYMBOL_GPL(__cpu_clear_user_page);