/* * 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);