|  | /* | 
|  | *  arch/arm/include/asm/page-nommu.h | 
|  | * | 
|  | *  Copyright (C) 2004 Hyok S. Choi | 
|  | * | 
|  | * 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. | 
|  | */ | 
|  |  | 
|  | #ifndef _ASMARM_PAGE_NOMMU_H | 
|  | #define _ASMARM_PAGE_NOMMU_H | 
|  |  | 
|  | #if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13 | 
|  | #define KTHREAD_SIZE (8192) | 
|  | #else | 
|  | #define KTHREAD_SIZE PAGE_SIZE | 
|  | #endif | 
|  |  | 
|  | #define get_user_page(vaddr)		__get_free_page(GFP_KERNEL) | 
|  | #define free_user_page(page, addr)	free_page(addr) | 
|  |  | 
|  | #define clear_page(page)	memset((page), 0, PAGE_SIZE) | 
|  | #define copy_page(to,from)	memcpy((to), (from), PAGE_SIZE) | 
|  |  | 
|  | #define clear_user_page(page, vaddr, pg)	clear_page(page) | 
|  | #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from) | 
|  |  | 
|  | /* | 
|  | * These are used to make use of C type-checking.. | 
|  | */ | 
|  | typedef unsigned long pte_t; | 
|  | typedef unsigned long pmd_t; | 
|  | typedef unsigned long pgd_t[2]; | 
|  | typedef unsigned long pgprot_t; | 
|  |  | 
|  | #define pte_val(x)      (x) | 
|  | #define pmd_val(x)      (x) | 
|  | #define pgd_val(x)	((x)[0]) | 
|  | #define pgprot_val(x)   (x) | 
|  |  | 
|  | #define __pte(x)        (x) | 
|  | #define __pmd(x)        (x) | 
|  | #define __pgprot(x)     (x) | 
|  |  | 
|  | #endif |