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

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Date:   Wed, 21 Jun 2017 18:48:50 +0300
From:   Cyrill Gorcunov <gorcunov@...il.com>
To:     Hugh Dickins <hughd@...gle.com>
Cc:     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>,
        Oleg Nesterov <oleg@...hat.com>
Subject: Re: [criu] 1M guard page ruined restore

On Wed, Jun 21, 2017 at 06:22:56PM +0300, Cyrill Gorcunov wrote:
> This start failing because
> 
>  | static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address)
> 
> function get dropped off. Hugh, it is done on intent and
> userspace programs have to extend stack manually?

Sorry for noise. I forget to add 1M gap for testing.
All is fine!