From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH 2/2] drm/i915: Shrink the GEM kmem_caches
 upon idling
Date: Wed, 24 Jan 2018 11:06:36 +0000
Message-ID: <7227aa4d-62ee-7f0c-9858-de7f168ee27b@linux.intel.com>
References: <20180119152356.17025-1-chris@chris-wilson.co.uk>
 <20180119152356.17025-2-chris@chris-wilson.co.uk>
 <2c698a16-9160-a059-f8af-d3ef4fcd29c5@linux.intel.com>
 <151679026801.13096.8927791500074479273@mail.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga06.intel.com (mga06.intel.com [134.134.136.31])
 by gabe.freedesktop.org (Postfix) with ESMTPS id B63876E5A9
 for <intel-gfx@lists.freedesktop.org>; Wed, 24 Jan 2018 11:06:39 +0000 (UTC)
In-Reply-To: <151679026801.13096.8927791500074479273@mail.alporthouse.com>
Content-Language: en-GB
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org
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