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[Xen-devel] Re: non-zero order allocations in shadow code may prevent li

from [Tim Deegan] [Permanent Link][Original]
To: Jan Beulich <jbeulich@xxxxxxxxxx>
Subject: [Xen-devel] Re: non-zero order allocations in shadow code may prevent live migration
From: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Date: Thu, 27 Sep 2007 14:43:07 +0100
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At 14:21 +0100 on 27 Sep (1190902888), Jan Beulich wrote:
> An additional consideration: Allowing to specify order and count in the call
> to shadow_prealloc() might also help to avoid flushes, since in many cases
> the need is really just for a number of single pages, not one big one.

True.  Might as well do it that way, then.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508

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