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Date: Tue, 20 Oct 2009 10:02:51 +0200
From: Carsten Otte <carsteno@de.ibm.com>
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Subject: [Qemu-devel] Re: [PATCH 1/9] Export function for VA defined ram
	allocation
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To: Alexander Graf <agraf@suse.de>
Cc: Carsten Otte <cotte@de.ibm.com>, qemu-devel <qemu-devel@nongnu.org>, hare@suse.de

Alexander Graf wrote:
> S390 requires vmas for guests to be < 256 GB. So we need to directly export
> mmaps "try to use this vma as start address" feature to not accidently get
> over that limit.
Hmmh, now that x86 has solved all the problems we should probably move 
away from using the same page table for userspace and guest too. That 
would make this "workaround" superfluous and memslots would work just 
the same on s390 as they do on x86. I've put it on my todo list.
For now, this looks good to me.