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[Xen-devel] Re: [RFC][PATCH] Basic support for page offline

To: "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>, Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Subject: [Xen-devel] Re: [RFC][PATCH] Basic support for page offline
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 10 Feb 2009 10:29:04 +0000
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On 10/02/2009 09:29, "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> wrote:

>> - It seems like a lot of code for what it does.  On the Xen
>> side that's
>>   just a general impression since I'm not familiar with the
>> bits of the
> 
> For Xen part, the reason is because the currently heap allocator is based on
> buddy system, while the offlined page may be in the middle of the buddy, so we
> have to split the original buddy into several smaller one.
> And do you mean I need turn to Keir for the heap allocator changes?

I will look at them, yes. It's probably more my area than Tim's.

 -- Keir



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