From: Dashi DS1 Cao <caods1@lenovo.com>
To: Peter Zijlstra <peterz@infradead.org>
CC: Hugh Dickins <hughd@google.com>, Michal Hocko <mhocko@kernel.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: A small window for a race condition in
 mm/rmap.c:page_lock_anon_vma_read
Thread-Topic: A small window for a race condition in
 mm/rmap.c:page_lock_anon_vma_read
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Date: Sun, 25 Dec 2016 02:22:31 +0000
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It's a CentOS 7.2, so there is point in asking RHT. I'll try to persuade the customer to have a try with kernel version 4.9, if only I can get it work with CentOS 7.2.

Dashi Cao

-----Original Message-----
From: Peter Zijlstra [mailto:peterz@infradead.org] 
Sent: Friday, December 23, 2016 10:20 PM
To: Dashi DS1 Cao <caods1@lenovo.com>
Cc: Hugh Dickins <hughd@google.com>; Michal Hocko <mhocko@kernel.org>; linux-mm@kvack.org; linux-kernel@vger.kernel.org
Subject: Re: A small window for a race condition in mm/rmap.c:page_lock_anon_vma_read

On Fri, Dec 23, 2016 at 02:02:14AM +0000, Dashi DS1 Cao wrote:
> The kernel version is "RELEASE: 3.10.0-327.36.3.el7.x86_64". It was the latest kernel release of CentOS 7.2 at that time, or maybe still now.

This would be the point where we ask you to run a recent upstream kernel and try and reproduce the problem with that, or contact RHT for support on their franken-kernel ;-)