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@arm.com --- 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
On Tue, Jan 31, 2017 at 05:41:09PM +0000, Liviu Dudau wrote:
Applied, thanks. -Daniel
dri-devel@lists.freedesktop.org
-
Daniel Vetter -
Liviu Dudau