Re: [PATCH v8 3/3] mm: reinititalise user and admin reserves ifmemory is added or removed
From: Andrew Shewmaker
Date: Tue Apr 09 2013 - 20:11:31 EST
On Tue, Apr 9, 2013 at 6:05 PM, Simon Jeons <simon.jeons@xxxxxxxxx> wrote:
> Hi Andrew,
> On 04/10/2013 07:56 AM, Andrew Shewmaker wrote:
>> On Tue, Apr 9, 2013 at 4:19 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
>>> On Mon, 8 Apr 2013 17:00:40 -0400 Andrew Shewmaker <agshew@xxxxxxxxx>
>>>> 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
>> 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
>> on my honeymoon in the next couple days :)
> How to compile a nommu architecture? just config in menu config or a
> physical machine?
I was going to set up a qemu arm guest. Please, anyone, let me know if
there's an easier way to test nommu builds on x86.
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