From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Load increase after memory upgrade (part2)
Date: Thu, 14 Jun 2012 14:31:52 -0400
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To: David Vrabel <dvrabel@cantab.net>
Cc: Konrad Rzeszutek Wilk <konrad@darnok.org>, xen-devel <xen-devel@lists.xensource.com>, Carsten Schiers <carsten@schiers.de>, Jan Beulich <jbeulich@suse.com>, Sander Eikelenboom <linux@eikelenboom.it>
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On Thu, Jun 14, 2012 at 09:38:31AM +0100, David Vrabel wrote:
> On 13/06/12 17:55, Konrad Rzeszutek Wilk wrote:
> > 
> > +	/* 3. Do the exchange for non-contiguous MFNs. */
> > +	success = xen_exchange_memory(n, 0 /* this is always called per page */, in_frames,
> > +				      n, 0, out_frames, address_bits);
> 
> vmalloc() does not require physically contiguous MFNs.

<nods> It doesn't matter that much in this context as the vmalloc
calls this per-page - so it is only one page that is swizzled.

> 
> David