1/*
2 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
3 * Copyright (C) 2007-2009 PetaLogix
4 * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
5 *
6 * Copyright (C) 2006 Atmark Techno, Inc.
7 *	Yasushi SHOJI <yashi@atmark-techno.com>
8 *	Tetsuya OHKAWA <tetsuya@atmark-techno.com>
9 *
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file "COPYING" in the main directory of this archive
12 * for more details.
13 */
14
15#include <linux/errno.h>
16#include <linux/export.h>
17#include <linux/mm.h>
18#include <linux/smp.h>
19#include <linux/syscalls.h>
20#include <linux/sem.h>
21#include <linux/msg.h>
22#include <linux/shm.h>
23#include <linux/stat.h>
24#include <linux/mman.h>
25#include <linux/sys.h>
26#include <linux/ipc.h>
27#include <linux/file.h>
28#include <linux/err.h>
29#include <linux/fs.h>
30#include <linux/semaphore.h>
31#include <linux/uaccess.h>
32#include <linux/unistd.h>
33#include <linux/slab.h>
34#include <asm/syscalls.h>
35
36SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
37		unsigned long, prot, unsigned long, flags, unsigned long, fd,
38		off_t, pgoff)
39{
40	if (pgoff & ~PAGE_MASK)
41		return -EINVAL;
42
43	return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
44}
45
46SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
47		unsigned long, prot, unsigned long, flags, unsigned long, fd,
48		unsigned long, pgoff)
49{
50	if (pgoff & (~PAGE_MASK >> 12))
51		return -EINVAL;
52
53	return sys_mmap_pgoff(addr, len, prot, flags, fd,
54			      pgoff >> (PAGE_SHIFT - 12));
55}
56