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From: Daniel Phillips <phillips@bonn-fries.net>
To: Andrea Arcangeli <andrea@suse.de>
Subject: Re: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?]
Date: Mon, 6 May 2002 03:48:30 +0200
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Cc: Russell King <rmk@arm.linux.org.uk>,
        "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
        linux-kernel@vger.kernel.org
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On Monday 06 May 2002 03:42, Andrea Arcangeli wrote:
> On Mon, May 06, 2002 at 03:24:58AM +0200, Daniel Phillips wrote:
> > What do you mean by 'implement a static view of them'?
> 
> See the attached email. assuming chunks of 256M ram every 1G, 1G phys
> goes at 3G+256M virt, 2G goes at 3G+512M etc...

So, __va(0x40000000) = 0xc0000000, and __va(0x80000000) = 0, i.e., not a kernel
address at all, because with config_discontigmem __va is a simple linear
relation.  What do you do about that?

-- 
Daniel