| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | { |
| 16 | struct page *page = virt_to_page(kto); |
| 17 | copy_page(kto, kfrom); |
| 18 | flush_dcache_page(page); |
| 19 | } |
| 20 | EXPORT_SYMBOL_GPL(__cpu_copy_user_page); |
| 21 | |
| 22 | void __cpu_clear_user_page(void *kaddr, unsigned long vaddr) |
| 23 | { |
| 24 | clear_page(kaddr); |
| 25 | } |
| 26 | EXPORT_SYMBOL_GPL(__cpu_clear_user_page); |