page.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2/*
 3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 4 *
 5 * This program is free software; you can redistribute it and/or modify
 6 * it under the terms of the GNU General Public License version 2 as
 7 * published by the Free Software Foundation.
 8 */
 9
10#ifndef _UAPI__ASM_ARC_PAGE_H
11#define _UAPI__ASM_ARC_PAGE_H
12
13#include <linux/const.h>
14
15/* PAGE_SHIFT determines the page size */
16#ifdef __KERNEL__
17#include <vdso/page.h>
18#else
19/*
20 * Default 8k
21 * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc
22 * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o
23 * using the correct uClibc header and in their build our autoconf.h is
24 * not available
25 */
26#define PAGE_SHIFT 13
27#define PAGE_SIZE	_BITUL(PAGE_SHIFT)	/* Default 8K */
28#define PAGE_MASK	(~(PAGE_SIZE-1))
29#endif
30
31#define PAGE_OFFSET	_AC(0x80000000, UL)	/* Kernel starts at 2G onwrds */
32
33#endif /* _UAPI__ASM_ARC_PAGE_H */