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diff --git a/Documentation/media/uapi/v4l/func-munmap.rst b/Documentation/media/uapi/v4l/func-munmap.rst
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--- a/Documentation/media/uapi/v4l/func-munmap.rst
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-.. -*- coding: utf-8; mode: rst -*-
-
-.. _func-munmap:
-
-*************
-V4L2 munmap()
-*************
-
-Name
-====
-
-v4l2-munmap - Unmap device memory
-
-
-Synopsis
-========
-
-.. code-block:: c
-
-    #include <unistd.h>
-    #include <sys/mman.h>
-
-
-.. c:function:: int munmap( void *start, size_t length )
-    :name: v4l2-munmap
-
-Arguments
-=========
-
-``start``
-    Address of the mapped buffer as returned by the
-    :ref:`mmap() <func-mmap>` function.
-
-``length``
-    Length of the mapped buffer. This must be the same value as given to
-    :ref:`mmap() <func-mmap>` and returned by the driver in the struct
-    :c:type:`v4l2_buffer` ``length`` field for the
-    single-planar API and in the struct
-    :c:type:`v4l2_plane` ``length`` field for the
-    multi-planar API.
-
-
-Description
-===========
-
-Unmaps a previously with the :ref:`mmap() <func-mmap>` function mapped
-buffer and frees it, if possible.
-
-
-Return Value
-============
-
-On success :ref:`munmap() <func-munmap>` returns 0, on failure -1 and the
-``errno`` variable is set appropriately:
-
-EINVAL
-    The ``start`` or ``length`` is incorrect, or no buffers have been
-    mapped yet.