linux-kernel - Re: A small window for a race condition in mm/rmap.c:page_lock_anon_vma

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Message-ID: <20161223141957.GT3107@twins.programming.kicks-ass.net>
Date:   Fri, 23 Dec 2016 15:19:57 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dashi DS1 Cao <caods1@...ovo.com>
Cc:     Hugh Dickins <hughd@...gle.com>, Michal Hocko <mhocko@...nel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.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 ;-)