On Tue, Jan 31, 2017 at 05:41:09PM +0000, Liviu Dudau wrote:
> drm-mm.rst contains some unformatted dump of the vm_operations_struct
> structure. Add some C formatting around it and some context for the
> dump. While there, update the structure to resemble the new signature
> for the fault handler after commit 25d3db7600b8 (mm, fs: reduce fault,
> page_mkwrite, and pfn_mkwrite to take only vmf).
>
> Signed-off-by: Liviu Dudau <liviu.dudau@xxxxxxx>
Applied, thanks.
-Daniel
> ---
> Documentation/gpu/drm-mm.rst | 15 +++++++++++----
> 1 file changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst
> index 91d82f39fbf4..a1c0ae3b2c38 100644
> --- a/Documentation/gpu/drm-mm.rst
> +++ b/Documentation/gpu/drm-mm.rst
> @@ -291,10 +291,17 @@ To use :c:func:`drm_gem_mmap()`, drivers must fill the struct
> :c:type:`struct drm_driver <drm_driver>` gem_vm_ops field
> with a pointer to VM operations.
>
> -struct vm_operations_struct \*gem_vm_ops struct
> -vm_operations_struct { void (\*open)(struct vm_area_struct \* area);
> -void (\*close)(struct vm_area_struct \* area); int (\*fault)(struct
> -vm_area_struct \*vma, struct vm_fault \*vmf); };
> +The VM operations is a :c:type:`struct vm_operations_struct <vm_operations_struct>`
> +made up of several fields, the more interesting ones being:
> +
> +.. code-block:: c
> +
> + struct vm_operations_struct {
> + void (*open)(struct vm_area_struct * area);
> + void (*close)(struct vm_area_struct * area);
> + int (*fault)(struct vm_fault *vmf);
> + };
> +
>
> The open and close operations must update the GEM object reference
> count. Drivers can use the :c:func:`drm_gem_vm_open()` and
> --
> 2.11.0
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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