linux-kernel - Re: [PATCH 07/22] lmb: Add lmb_to

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Message-ID: <4BE78C37.5080103@oracle.com>
Date:	Sun, 09 May 2010 21:31:51 -0700
From:	Yinghai <yinghai.lu@...cle.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Johannes Weiner <hannes@...xchg.org>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 07/22] lmb: Add lmb_to_bootmem()

On 05/09/2010 08:13 PM, Benjamin Herrenschmidt wrote:
> On Sat, 2010-05-08 at 08:17 -0700, Yinghai Lu wrote:
>> lmb_to_bootmem() will reserve lmb.reserved.region in bootmem after bootmem is
>> set up.
>>
>> We can use it to with all arches that support lmb later.
> 
> This is clumsy. Doesn't work with NUMA either. Also,

it works NUMA. for x86 we managed to call that one time from 2.6.34-rc1. (still called early_res_to_bootmem().
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=1842f90cc98625d4d9bf8f8b927f17705ceb4e9c

> reserve_bootmem_generic() only exists on x86 afaik.

previous patch add weak version 
[PATCH 06/22] bootmem, x86: Add weak version of reserve_bootmem_generic

YH
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