Date: Mon, 17 Oct 2005 08:30:20 -0700
From: Ravikiran G Thirumalai <kiran@scalex86.org>
To: Andi Kleen <ak@suse.de>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       discuss@x86-64.org, tglx@linutronix.de, torvalds@osdl.org,
       shai@scalex86.org
Subject: Re: x86_64: 2.6.14-rc4 swiotlb broken
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On Mon, Oct 17, 2005 at 11:53:54AM +0200, Andi Kleen wrote:
> On Monday 17 October 2005 11:50, Andrew Morton wrote:
> 
> >
> > This is an ia64 patch - what point was there in testing it on an x460?
> >
> > Is something missing here?
> 
> x86-64 shares that code with ia64.
> 
> The patch is actually not quite correct - in theory node 0 could be too small 
> to contain the full swiotlb bounce buffers.

Good point. I missed that possibility. 

> 
> The real fix would be to get rid of the pgdata lists and just walk the 
> node_online_map on bootmem.c. The memory hotplug guys have
> a patch pending for this.

Yes, I just saw Yasunori-san's patch.  Would that be merged for 2.6.14?
'Cause 2.6.14 is broken as of now for x86_64 boxes with more than 4G ram.

Thanks,
Kiran
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