linux-kernel - Re: [RFC PATCH 1/3] mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps

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Message-ID: <20181120114136.GE22247@dhcp22.suse.cz>
Date:   Tue, 20 Nov 2018 12:41:36 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-api@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexey Dobriyan <adobriyan@...il.com>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        David Rientjes <rientjes@...gle.com>
Subject: Re: [RFC PATCH 1/3] mm, proc: be more verbose about unstable VMA
 flags in /proc/<pid>/smaps

On Tue 20-11-18 11:51:35, Jan Kara wrote:
> Honestly, it just shows that no amount of documentation is going to stop
> userspace from abusing API that's exposing too much if there's no better
> alternative.

Yeah, I agree. And we should never expose such a low level stuff in the
first place. But, well, this ship has already sailed...

> But this is a good clarification regardless. So feel free to
> add:
> 
> Acked-by: Jan Kara <jack@...e.cz>

Thanks!
-- 
Michal Hocko
SUSE Labs