btrfs: add READAHEAD extent buffer flag
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / mn10300 / kernel / sys_mn10300.c
blob815f1355fad44eb5d2fa14681bb3618d9efd4228
1 /* MN10300 Weird system calls
3 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
11 #include <linux/errno.h>
12 #include <linux/sched.h>
13 #include <linux/syscalls.h>
14 #include <linux/mm.h>
15 #include <linux/smp.h>
16 #include <linux/sem.h>
17 #include <linux/msg.h>
18 #include <linux/shm.h>
19 #include <linux/stat.h>
20 #include <linux/mman.h>
21 #include <linux/file.h>
22 #include <linux/tty.h>
24 #include <asm/uaccess.h>
26 asmlinkage long old_mmap(unsigned long addr, unsigned long len,
27 unsigned long prot, unsigned long flags,
28 unsigned long fd, unsigned long offset)
30 if (offset & ~PAGE_MASK)
31 return -EINVAL;
32 return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);