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 | off_t, pgoff) |
39 | { |
40 | if (pgoff & ~PAGE_MASK) |
41 | return -EINVAL; |
42 | |
43 | return ksys_mmap_pgoff(addr, len, prot, flags, fd, pgoff: 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: pgoff >> (PAGE_SHIFT - 12)); |
55 | } |
56 | |