linux-kernel - Re: [PATCH 1/1] mm: sysctl: add panic_on_mm

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Message-ID: <CAKbGCsfyiLfvwi1iYuTu2Gg5=TXQwUQ3iv73PdNvY8o_NZJ7aQ@mail.gmail.com>
Date:   Mon, 27 Jan 2020 12:32:48 +0100
From:   Grzegorz Halat <ghalat@...hat.com>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Aaron Tomlin <atomlin@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
        Stan Saner <ssaner@...hat.com>,
        Oleksandr Natalenko <oleksandr@...hat.com>,
        Vratislav Bendel <vbendel@...hat.com>, kirill@...temov.name,
        khlebnikov@...dex-team.ru, borntraeger@...ibm.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH 1/1] mm: sysctl: add panic_on_mm_error sysctl

On Mon, 27 Jan 2020 at 11:43, Tetsuo Handa wrote:
>
> Maybe panic_on_inconsistent_mm is better, for an MM error sounds too generic
> (e.g. is page allocation failure an error, is OOM killer an error,
> is NULL pointer dereference an error, is use-after-free access an error) ?
>
yes, panic_on_inconsistent_mm is better

> Also, should this be in /proc/sys/vm/ than /proc/sys/kernel/ ?
Agreed

I will wait a day or two for more feedback and send V2 with sysctl
named as 'vm.panic_on_inconsistent_mm'.

Thanks,
--
Grzegorz Halat