From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v3 5/9] mm: Do not discard already-scrubbed
 pages if softirqs are pending
Date: Fri, 5 May 2017 09:51:45 -0400
Message-ID: <7dc53ec6-a329-00ff-1387-a6e73b9d4169@oracle.com>
References: <1492184258-3277-1-git-send-email-boris.ostrovsky@oracle.com>
 <1492184258-3277-6-git-send-email-boris.ostrovsky@oracle.com>
 <590B68280200007800156E81@prv-mh.provo.novell.com>
 <29805238-8fec-e009-178c-dde6d6f2d64c@oracle.com>
 <590C6FC1020000780015720D@prv-mh.provo.novell.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <590C6FC1020000780015720D@prv-mh.provo.novell.com>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Jan Beulich <JBeulich@suse.com>
Cc: tim@xen.org, sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org
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