page-nommu.h (811B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * arch/arm/include/asm/page-nommu.h 4 * 5 * Copyright (C) 2004 Hyok S. Choi 6 */ 7 8#ifndef _ASMARM_PAGE_NOMMU_H 9#define _ASMARM_PAGE_NOMMU_H 10 11#define clear_page(page) memset((page), 0, PAGE_SIZE) 12#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) 13 14#define clear_user_page(page, vaddr, pg) clear_page(page) 15#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) 16 17/* 18 * These are used to make use of C type-checking.. 19 */ 20typedef unsigned long pte_t; 21typedef unsigned long pmd_t; 22typedef unsigned long pgd_t[2]; 23typedef unsigned long pgprot_t; 24 25#define pte_val(x) (x) 26#define pmd_val(x) (x) 27#define pgd_val(x) ((x)[0]) 28#define pgprot_val(x) (x) 29 30#define __pte(x) (x) 31#define __pmd(x) (x) 32#define __pgprot(x) (x) 33 34#endif