linux-kernel - Re: [PATCH 17/35] x86, lmb: Add x86 version of __lmb_find

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Message-ID: <4BED7D50.5070004@oracle.com>
Date:	Fri, 14 May 2010 09:41:52 -0700
From:	Yinghai Lu <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 17/35] x86, lmb: Add x86 version of __lmb_find_area()

On 05/14/2010 01:31 AM, Benjamin Herrenschmidt wrote:
> On Thu, 2010-05-13 at 23:47 -0700, Yinghai wrote:
>
>   
>> for safe, and there is any problem with top to down allocation, we can
>> ask user to check if low to high works...
>>
>> not just make user to get broken kernel.
>>     
> Hrm. That's a bit gross. But ok, I don't care that much as long as your
> x86 variant doesn't differ in semantics with the core lmb one and I'll
> let Peter and/or Thomas to scream at you if they think it's gross
> (hint: the code is)
>
>
>   
those bits are line by line translation from current early_res code, and
have been used for a while.

so should be good as a fallback.

YH

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