linux-kernel - Re: [PATCH] Make LIST

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Message-ID: <4832BB6A.8010809@qumranet.com>
Date:	Tue, 20 May 2008 14:52:10 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Make LIST_POISON less deadly

Andi Kleen wrote:
>> Makes sense.  I'll send out v3.
>>
>> Is there a similar range on i386?
>>     
>
> Don't think so. Address space is too precious here.
>
> What you could probably do is to unmap one fixed page in some range
> that is always split to 4K pages anyways and use that. Perhaps somewhere
> in the 640k-1MB range. But if you're unlucky this might require a
> variable, not a constant.
>   

I guess a fixmap would work for this.  But then the offsets added to 
that page would need to be limited to 4K.

-- 
error compiling committee.c: too many arguments to function

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