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RE: [Xen-devel] A tale of three memory allocators

To: "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] A tale of three memory allocators
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Sat, 19 Mar 2005 06:05:28 +0800
Delivery-date: Fri, 18 Mar 2005 22:07:41 +0000
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Thread-topic: [Xen-devel] A tale of three memory allocators
>-----Original Message-----
>From: Magenheimer, Dan (HP Labs Fort Collins)
>Sent: Friday, March 18, 2005 12:12 PM
>I'm less concerned about NUMA configurations... I agree that
>NUMA support could be added later.  My first concern would
>be discontiguous memory as, on ia64, it is not uncommon
>for a machine to have a physical memory map of something like:
>Total  8GB
>How does the Rusty Russell allocator handle a map like this?

Rusty's allocator only handles slab, which is in upper layer upon buddy
system. Here what the holes actually affects is the memmap, which is the
base of buddy system. It's easier to add virtual memmap when initialize
frame_table, without any touch upon slab part.


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