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Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit
| To: | Andi Kleen <andi@xxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 25 Jun 2008 19:45:36 +0100 |
| Cc: | Mark McLoughlin <markmc@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stephen Tweedie <sct@xxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 25 Jun 2008 11:46:13 -0700 |
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| Thread-topic: | [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support |
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On 25/6/08 13:40, "Andi Kleen" <andi@xxxxxxxxxxxxxx> wrote: >> to 0xffff880000000000. I have no general justification for this: th > > This will significantly decrease the maximum amount of physical > memory supported by Linux longer term. What does Linux expect to scale up to? Reserving 16 PML4 entries leaves the kernel with 120TB of available 'negative' address space. Should be plenty, I would think. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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