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Date: Wed, 4 Mar 2015 13:21:26 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>, Chen Gang <762976180@qq.com>,
        linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
        Balbir Singh <bsingharora@gmail.com>
Subject: Re: [PATCH] memcg: make CONFIG_MEMCG depend on CONFIG_MMU
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On Wed, 4 Mar 2015 16:13:01 -0500 Johannes Weiner <hannes@cmpxchg.org> wrote:

> I don't even care about NOMMU, this is just wrong on principle.

Agree.  And I do care about nommu ;)

If some nommu person wants to start using memcg and manages to get it
doing something useful then good for them - we end up with a better
kernel.  We shouldn't go and rule this out without having even tried it.