tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef _UAPI__ASM_ARC_PAGE_H
10#define _UAPI__ASM_ARC_PAGE_H
11
12#include <linux/const.h>
13
14/* PAGE_SHIFT determines the page size */
15#if defined(CONFIG_ARC_PAGE_SIZE_16K)
16#define PAGE_SHIFT 14
17#elif defined(CONFIG_ARC_PAGE_SIZE_4K)
18#define PAGE_SHIFT 12
19#else
20/*
21 * Default 8k
22 * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc
23 * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o
24 * using the correct uClibc header and in their build our autoconf.h is
25 * not available
26 */
27#define PAGE_SHIFT 13
28#endif
29
30#define PAGE_SIZE _BITUL(PAGE_SHIFT) /* Default 8K */
31#define PAGE_OFFSET _AC(0x80000000, UL) /* Kernel starts at 2G onwrds */
32
33#define PAGE_MASK (~(PAGE_SIZE-1))
34
35
36#endif /* _UAPI__ASM_ARC_PAGE_H */