From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michal Hocko <mhocko@kernel.org>
Subject: Re: [Intel-gfx] [RFC PATCH] mm,
 oom: distinguish blockable mode for mmu notifiers
Date: Fri, 22 Jun 2018 18:19:05 +0200
Message-ID: <20180622161905.GA23260__1963.47209061987$1529684268$gmane$org@dhcp22.suse.cz>
References: <20180622150242.16558-1-mhocko@kernel.org>
 <152968180950.11773.3374981930722769733@mail.alporthouse.com>
 <20180622155716.GE10465@dhcp22.suse.cz>
 <152968364170.11773.4392861266443293819@mail.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6])
 by lists.xenproject.org with esmtp (Exim 4.89)
 (envelope-from <srs0=ssti=ji=kernel.org=mhocko@srs-us1.protection.inumbo.net>)
 id 1fWOmD-0005up-Iy
 for xen-devel@lists.xenproject.org; Fri, 22 Jun 2018 16:19:09 +0000
Content-Disposition: inline
In-Reply-To: <152968364170.11773.4392861266443293819@mail.alporthouse.com>
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Hocko <mhocko@suse.com>, kvm@vger.kernel.org, =?us-ascii?B?PT9VVEYtOD9xP1JhZGltPTIwS3I9QzQ9OERtPUMzPUExPUM1PTk5Pz0=?= <rkrcmar@redhat.com>, David Airlie <airlied@linux.ie>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Sudeep Dutt <sudeep.dutt@intel.com>, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>, "David (ChunMing) Zhou" <David1.Zhou@amd.com>, Dimitri Sivanich <sivanich@sgi.com>, linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, Jason Gunthorpe <jgg@ziepe.ca>, Doug Ledford <dledford@redhat.com>, David Rientjes <rientjes@google.com>, xen-devel@lists.xenproject.org, intel-gfx@lists.freedesktop.org, Jani Nikula <jani.nikula@linux.intel.com>, =?us-ascii?B?PT9VVEYtOD9xP0o9QzM9QTlyPUMzPUI0bWU9MjBHbGlzc2U/PQ==?= <jglisse@redhat.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, Boris Ostrovsky <boris.ostrovsky@>
List-Id: xen-devel@lists.xenproject.org
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