ia64/linux-2.6.18-xen.hg

view include/asm-arm/page-nommu.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 /*
2 * linux/include/asm-arm/page-nommu.h
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 */
10 #ifndef _ASMARM_PAGE_NOMMU_H
11 #define _ASMARM_PAGE_NOMMU_H
13 #if !defined(CONFIG_SMALL_TASKS) && PAGE_SHIFT < 13
14 #define KTHREAD_SIZE (8192)
15 #else
16 #define KTHREAD_SIZE PAGE_SIZE
17 #endif
19 #define get_user_page(vaddr) __get_free_page(GFP_KERNEL)
20 #define free_user_page(page, addr) free_page(addr)
22 #define clear_page(page) memset((page), 0, PAGE_SIZE)
23 #define copy_page(to,from) memcpy((to), (from), PAGE_SIZE)
25 #define clear_user_page(page, vaddr, pg) clear_page(page)
26 #define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
28 /*
29 * These are used to make use of C type-checking..
30 */
31 typedef unsigned long pte_t;
32 typedef unsigned long pmd_t;
33 typedef unsigned long pgd_t[2];
34 typedef unsigned long pgprot_t;
36 #define pte_val(x) (x)
37 #define pmd_val(x) (x)
38 #define pgd_val(x) ((x)[0])
39 #define pgprot_val(x) (x)
41 #define __pte(x) (x)
42 #define __pmd(x) (x)
43 #define __pgprot(x) (x)
45 /* to align the pointer to the (next) page boundary */
46 #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
48 extern unsigned long memory_start;
49 extern unsigned long memory_end;
51 #endif