From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751999AbdAaSma (ORCPT ); Tue, 31 Jan 2017 13:42:30 -0500 Received: from fw-tnat.cambridge.arm.com ([217.140.96.140]:59379 "EHLO cam-smtp0.cambridge.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751523AbdAaSmY (ORCPT ); Tue, 31 Jan 2017 13:42:24 -0500 From: Liviu Dudau To: David Airlie , Daniel Vetter , Jonathan Corbet Cc: Jani Nikula , DRI devel , linux-doc@vger.kernel.org, LKML , Liviu Dudau Subject: [PATCH] Documentation/gpu: drm-mm.rst: fix formatting for struct vm_operations_struct Date: Tue, 31 Jan 2017 17:41:09 +0000 Message-Id: <20170131174109.13690-1-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 ` 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 ` +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