linux-kernel - Re: [Xen-devel] [PATCH 0/2] xen: vnuma introduction for pv guest

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Date:	Thu, 14 Nov 2013 07:53:09 +0100
From:	Dario Faggioli <dario.faggioli@...rix.com>
To:	Elena Ufimtseva <ufimtseva@...il.com>
CC:	<xen-devel@...ts.xenproject.org>, <akpm@...ux-foundation.org>,
	<wency@...fujitsu.com>, <x86@...nel.org>,
	<linux-kernel@...r.kernel.org>, <tangchen@...fujitsu.com>,
	<mingo@...hat.com>, <david.vrabel@...rix.com>, <hpa@...or.com>,
	<boris.ostrovsky@...cle.com>, <tglx@...utronix.de>,
	<stefano.stabellini@...citrix.com>, <ian.campbell@...rix.com>
Subject: Re: [Xen-devel] [PATCH 0/2] xen: vnuma introduction for pv guest

On mer, 2013-11-13 at 22:36 -0500, Elena Ufimtseva wrote:
> Xen vnuma introduction.
> 
Hey Elena!

First of all, let me state this once more: thanks for keeping doing
this, even after the official conclusion of the (OPW) program! :-)

> vNUMA topology is constructed by Xen toolstack. Xen patchset is 
> available at https://git.gitorious.org/xenvnuma/xenvnuma.git.
> 
Is it me or the repo is empty?

> Example of vnuma enabled pv domain dmesg:
> 
> [    0.000000] Movable zone start for each node
> [    0.000000] Early memory node ranges
> [    0.000000]   node   0: [mem 0x00001000-0x0009ffff]
> [    0.000000]   node   0: [mem 0x00100000-0xffffffff]
> [    0.000000]   node   1: [mem 0x100000000-0x1ffffffff]
> [    0.000000]   node   2: [mem 0x200000000-0x2ffffffff]
> [    0.000000]   node   3: [mem 0x300000000-0x3ffffffff]
> [    0.000000] On node 0 totalpages: 1048479
> [    0.000000]   DMA zone: 56 pages used for memmap
> [    0.000000]   DMA zone: 21 pages reserved
> [    0.000000]   DMA zone: 3999 pages, LIFO batch:0
> [    0.000000]   DMA32 zone: 14280 pages used for memmap
> [    0.000000]   DMA32 zone: 1044480 pages, LIFO batch:31
> [    0.000000] On node 1 totalpages: 1048576
> [    0.000000]   Normal zone: 14336 pages used for memmap
> [    0.000000]   Normal zone: 1048576 pages, LIFO batch:31
> [    0.000000] On node 2 totalpages: 1048576
> [    0.000000]   Normal zone: 14336 pages used for memmap
> [    0.000000]   Normal zone: 1048576 pages, LIFO batch:31
> [    0.000000] On node 3 totalpages: 1048576
> [    0.000000]   Normal zone: 14336 pages used for memmap
> [    0.000000]   Normal zone: 1048576 pages, LIFO batch:31
>
Wow... Cool!

Let's see the patches. :-)

Regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)


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