From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH] igt/gem_stolen: Check for available stolen
	memory size
Date: Mon, 6 Jun 2016 10:59:32 +0100
Message-ID: <57554984.7070808@linux.intel.com>
References: <1465204962-7057-1-git-send-email-ankitprasad.r.sharma@intel.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 mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 9C9826E2AE
 for <intel-gfx@lists.freedesktop.org>; Mon,  6 Jun 2016 09:59:33 +0000 (UTC)
In-Reply-To: <1465204962-7057-1-git-send-email-ankitprasad.r.sharma@intel.com>
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: ankitprasad.r.sharma@intel.com, intel-gfx@lists.freedesktop.org
Cc: akash.goel@intel.com
List-Id: intel-gfx@lists.freedesktop.org
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