1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 */
 5
 6#include <linux/file.h>
 7#include <linux/fs.h>
 8#include <linux/mm.h>
 9#include <linux/sched.h>
10#include <linux/utsname.h>
11#include <linux/syscalls.h>
12#include <asm/current.h>
13#include <asm/mman.h>
14#include <linux/uaccess.h>
15#include <asm/unistd.h>
16
17long old_mmap(unsigned long addr, unsigned long len,
18	      unsigned long prot, unsigned long flags,
19	      unsigned long fd, unsigned long offset)
20{
21	long err = -EINVAL;
22	if (offset & ~PAGE_MASK)
23		goto out;
24
25	err = ksys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
26 out:
27	return err;
28}