From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Stultz <john.stultz@linaro.org>
Subject: [RFC][PATCH 2/5 v2] dma-buf: heaps: Add heap helpers
Date: Tue,  5 Mar 2019 12:54:30 -0800
Message-ID: <1551819273-640-3-git-send-email-john.stultz@linaro.org>
References: <1551819273-640-1-git-send-email-john.stultz@linaro.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com
 [IPv6:2607:f8b0:4864:20::443])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 702F889C16
 for <dri-devel@lists.freedesktop.org>; Tue,  5 Mar 2019 20:54:45 +0000 (UTC)
Received: by mail-pf1-x443.google.com with SMTP id u9so6618964pfn.1
 for <dri-devel@lists.freedesktop.org>; Tue, 05 Mar 2019 12:54:45 -0800 (PST)
In-Reply-To: <1551819273-640-1-git-send-email-john.stultz@linaro.org>
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: lkml <linux-kernel@vger.kernel.org>
Cc: Greg KH <gregkh@linuxfoundation.org>, Chenbo Feng <fengc@google.com>, Alistair Strachan <astrachan@google.com>, Liam Mark <lmark@codeaurora.org>, dri-devel@lists.freedesktop.org, "Andrew F . Davis" <afd@ti.com>
List-Id: dri-devel@lists.freedesktop.org
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