linux-kernel - Re: [PATCH] mm, oom: allow oom reaper to race with exit

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Date:   Thu, 10 Aug 2017 22:36:18 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Andrea Arcangeli <aarcange@...hat.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        David Rientjes <rientjes@...gle.com>,
        Oleg Nesterov <oleg@...hat.com>,
        Andrea Argangeli <andrea@...nel.org>,
        Hugh Dickins <hughd@...gle.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm, oom: allow oom reaper to race with exit_mmap

On Thu 10-08-17 20:51:38, Michal Hocko wrote:
[...]
> OK, let's agree to disagree. As I've said I like when the critical
> section is explicit and we _know_ what it protects. In this case it is
> clear that we have to protect from the page tables tear down and the
> vma destructions. But as I've said I am not going to argue about this
> more. It is more important to finally fix this.

Now that I've reread, it may sound different than I thought. I meant to
say that I will not argue about which solution is better and both
patches are good to go. I will let others to decide but I would be glad
if we go with something finally.
-- 
Michal Hocko
SUSE Labs