linux-kernel - Re: [RFC PATCH 6/6] sparc64: use early

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Date:	Wed, 10 Mar 2010 14:10:22 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	David Miller <davem@...emloft.net>
CC:	mingo@...e.hu, tglx@...utronix.de, hpa@...or.com,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org
Subject: Re: [RFC PATCH 6/6] sparc64: use early_res and nobootmem

On 03/10/2010 01:36 PM, David Miller wrote:
> From: Yinghai Lu <yinghai@...nel.org>
> Date: Wed, 10 Mar 2010 13:34:01 -0800
> 
>> On 03/10/2010 01:33 PM, David Miller wrote:
>>> From: David Miller <davem@...emloft.net>
>>> Date: Wed, 10 Mar 2010 13:30:35 -0800 (PST)
>>>
>>>> From: Yinghai Lu <yinghai@...nel.org>
>>>> Date: Wed, 10 Mar 2010 13:24:27 -0800
>>>>
>>>>> use early_res/fw_memmap to replace lmb, so could use early_res replace bootme
>>>>> later.
>>>>>
>>>>> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
>>>>
>>>> Why?  What does early_res/fw_memmap do that lmb cannot?
>>
>> try to remove bootmem layer.
> 
> And LMB cannot fill this void with some minor modifications?

early_res array could be increased automatically...

could be something like:
keep lmb.memory part, and use early_res for reserved parts...

maybe could try to make fw_memmap.c more simple.

Yinghai
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