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Date: Fri, 14 May 2010 09:41:52 -0700
From: Yinghai Lu <yinghai.lu@oracle.com>
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To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
       "H. Peter Anvin" <hpa@zytor.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       David Miller <davem@davemloft.net>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Johannes Weiner <hannes@cmpxchg.org>, linux-kernel@vger.kernel.org,
       linux-arch@vger.kernel.org
Subject: Re: [PATCH 17/35] x86, lmb: Add x86 version of __lmb_find_area()
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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