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