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002547b4 | 1 | /* |
4baa9922 | 2 | * arch/arm/include/asm/page-nommu.h |
002547b4 RK |
3 | * |
4 | * Copyright (C) 2004 Hyok S. Choi | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
27ac792c | 10 | |
002547b4 RK |
11 | #ifndef _ASMARM_PAGE_NOMMU_H |
12 | #define _ASMARM_PAGE_NOMMU_H | |
13 | ||
14 | #if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13 | |
15 | #define KTHREAD_SIZE (8192) | |
16 | #else | |
17 | #define KTHREAD_SIZE PAGE_SIZE | |
18 | #endif | |
19 | ||
20 | #define get_user_page(vaddr) __get_free_page(GFP_KERNEL) | |
21 | #define free_user_page(page, addr) free_page(addr) | |
22 | ||
23 | #define clear_page(page) memset((page), 0, PAGE_SIZE) | |
24 | #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) | |
25 | ||
26 | #define clear_user_page(page, vaddr, pg) clear_page(page) | |
27 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | |
28 | ||
29 | /* | |
30 | * These are used to make use of C type-checking.. | |
31 | */ | |
32 | typedef unsigned long pte_t; | |
33 | typedef unsigned long pmd_t; | |
34 | typedef unsigned long pgd_t[2]; | |
35 | typedef unsigned long pgprot_t; | |
36 | ||
37 | #define pte_val(x) (x) | |
38 | #define pmd_val(x) (x) | |
39 | #define pgd_val(x) ((x)[0]) | |
40 | #define pgprot_val(x) (x) | |
41 | ||
42 | #define __pte(x) (x) | |
43 | #define __pmd(x) (x) | |
44 | #define __pgprot(x) (x) | |
45 | ||
002547b4 | 46 | #endif |