linux-kernel - Re: [criu] 1M guard page ruined restore

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Date:   Tue, 20 Jun 2017 14:55:00 +0300
From:   Cyrill Gorcunov <gorcunov@...il.com>
To:     Oleg Nesterov <oleg@...hat.com>
Cc:     Hugh Dickins <hughd@...gle.com>, Andrey Vagin <avagin@...nvz.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        Dmitry Safonov <dsafonov@...tuozzo.com>,
        Andrew Morton <akpm@...uxfoundation.org>
Subject: Re: [criu] 1M guard page ruined restore

On Tue, Jun 20, 2017 at 12:51:16PM +0200, Oleg Nesterov wrote:
> 
> So I think you should simply disable, say, unmap_guard_pages() and most
> of all other MAP_GROWSDOWN code in criu.

I've sent out a series, lets see if it pass the tests.
https://lists.openvz.org/pipermail/criu/2017-June/038205.html