linux-kernel - Re: [PATCH v8 3/3] mm: reinititalise user and admin reserves if memory is added or removed

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Message-Id: <20130409151906.2ee55116ca9e3abd80a90e3e@linux-foundation.org>
Date:	Tue, 9 Apr 2013 15:19:06 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Andrew Shewmaker <agshew@...il.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	alan@...rguk.ukuu.org.uk, simon.jeons@...il.com,
	ric.masonn@...il.com
Subject: Re: [PATCH v8 3/3] mm: reinititalise user and admin reserves if
 memory is added or removed

On Mon, 8 Apr 2013 17:00:40 -0400 Andrew Shewmaker <agshew@...il.com> wrote:

> Should I add the memory notifier code to mm/nommu.c too?
> I'm guessing that if a system doesn't have an mmu that it also 
> won't be hotplugging memory.

I doubt if we need to worry about memory hotplug on nommu machines,
so just do the minimum which is required to get nommu to compile
and link.  That's probably "nothing".
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