From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexei Starovoitov <ast@fb.com>
Subject: Re: [PATCH v3 1/6] cgroup: Allow registration and
 lookup of cgroup private data
Date: Tue, 13 Mar 2018 14:27:58 -0700
Message-ID: <4bc02913-7250-ed88-fac0-6b19957ca07b@fb.com>
References: <20180306234700.6562-1-matthew.d.roper@intel.com>
 <20180306234700.6562-2-matthew.d.roper@intel.com>
 <20180313205035.GN2943022@devbig577.frc2.facebook.com>
Mime-Version: 1.0
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com;
 h=subject : to : references
 : cc : from : message-id : date : mime-version : in-reply-to :
 content-type : content-transfer-encoding; s=facebook;
 bh=/5uKtJDlp1CGn8bFw9aE58pjCxoLh/SZSDFmiGvqgyk=;
 b=J81uQM+aQWmLRQAiY75f2rl5DlfUNuPYNLS0ntLW4ovTKTqFbkpzjI1iew7/fUIvNqRT
 w5l3a7OX+cdCNJjIqT0n/Q0CxBBWBM0VD/h0skCzPq4VEHMEQxuWga6Hi1Ojs7X8M/q7
 63fvgUFspLnoBXmMfRs4FU9pG3RuB1zGsR0= 
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.onmicrosoft.com;
 s=selector1-fb-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; 
 bh=/5uKtJDlp1CGn8bFw9aE58pjCxoLh/SZSDFmiGvqgyk=;
 b=AxD0oTkIbIv2kHDZl+Uw8UCIPo6MCtMlLsO1NBU4OTavF65taHnef1ucDlNUK6de2ygBbiNhoFuOqZGDl6EGNFhLoxnTkttXpZjbD3UrHSyK7glHGmKdO9GFP2vPEzSlKJGQcMXiGCPLRVXHb90Fm3cmSzwCSXAZB4iZQ0AEwsk=
In-Reply-To: <20180313205035.GN2943022@devbig577.frc2.facebook.com>
List-Id: <cgroups.vger.kernel.org>
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>
Content-Type: text/plain; charset="us-ascii"; format="flowed"
To: Tejun Heo <tj@kernel.org>, Matt Roper <matthew.d.roper@intel.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>, intel-gfx@lists.freedesktop.org, Alexei Starovoitov <alexei.starovoitov@gmail.com>, cgroups@vger.kernel.org, kernel-team@fb.com, Roman Gushchin <guro@fb.com>
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==