linux-kernel - Re: [PATCH 06/20] early_res: seperate common memmap func from e820.c to fw

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Date:	Tue, 23 Mar 2010 08:08:26 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>, hpa@...or.com,
	jbarnes@...tuousgeek.org, ebiederm@...ssion.com,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 06/20] early_res: seperate common memmap func from
 e820.c to fw_memmap.cy

On Mon, 2010-03-22 at 13:07 -0700, Yinghai Lu wrote:
> 1. need to keep e820
> 2. use e820 range with RAM to fill lmb.memory when finizing_e820
> 3. use lmb.reserved to replace early_res.
> 
> current lmb is merging the region, we can not use name tag any more.

Feel free to extend LMB as long as it's reasonable. For example, I
wouldn't object to have flags or similar things to LMB regions, one of
them being used to prevent merge for example.

> may need to dump early_memtest, and use early_res for bootmem at
> first. 

Cheers,
Ben.


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