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
36 SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
37 unsigned long, prot, unsigned long, flags, unsigned long, fd,
38 unsigned long, pgoff)
39 {
40 if (pgoff & ~PAGE_MASK)
41 return -EINVAL;
42
43 return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
44 }
45
46 SYSCALL_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 ksys_mmap_pgoff(addr, len, prot, flags, fd,
54 pgoff >> (PAGE_SHIFT - 12));
55 }
56
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