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: <5164ACBB.2040704@gmail.com>
Date:	Wed, 10 Apr 2013 08:05:15 +0800
From:	Simon Jeons <simon.jeons@...il.com>
To:	Andrew Shewmaker <agshew@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, alan@...rguk.ukuu.org.uk,
	ric.masonn@...il.com
Subject: Re: [PATCH v8 3/3] mm: reinititalise user and admin reserves if memory
 is added or removed

Hi Andrew,
On 04/10/2013 07:56 AM, Andrew Shewmaker wrote:
> On Tue, Apr 9, 2013 at 4:19 PM, Andrew Morton <akpm@...ux-foundation.org> wrote:
>> 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".
> I haven't gotten myself set up to compile a nommu architecture, so I'll post
> my next version, and work on verifying it compiles and links later. But I
> I probably won't be able to get to that for a week and a half ... I'm leaving
> on my honeymoon in the next couple days :)

How to compile a  nommu architecture? just config in menu config or a 
physical machine?


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