From mboxrd@z Thu Jan  1 00:00:00 1970
From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: [PATCH 6/8] drm/amdgpu: meld together VM fragment and huge page
 handling
Date: Wed, 12 Sep 2018 10:54:43 +0200
Message-ID: <20180912085445.3245-6-christian.koenig@amd.com>
References: <20180912085445.3245-1-christian.koenig@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20180912085445.3245-1-christian.koenig-5C7GfCeVMHo@public.gmane.org>
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
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