From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ralph Campbell <rcampbell@nvidia.com>
Subject: [PATCH v2 2/7] mm/hmm: a few more C style and comment clean ups
Date: Thu, 25 Jul 2019 17:56:45 -0700
Message-ID: <20190726005650.2566-3-rcampbell@nvidia.com>
References: <20190726005650.2566-1-rcampbell@nvidia.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
In-Reply-To: <20190726005650.2566-1-rcampbell@nvidia.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: linux-mm@kvack.org
Cc: Ralph Campbell <rcampbell@nvidia.com>, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= <jglisse@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>, amd-gfx@lists.freedesktop.org, Christoph Hellwig <hch@lst.de>
List-Id: dri-devel@lists.freedesktop.org
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