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[Xen-devel] Re: pv_ops & gntdev?

from [Jeremy Fitzhardinge] [Permanent Link][Original]
To: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Subject: [Xen-devel] Re: pv_ops & gntdev?
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Wed, 25 Feb 2009 12:10:10 -0800
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Gerd Hoffmann wrote:

Also: 2.6.18 gntdev does some funky interaction with the balloon driver.
 What is the point in doing so?
Oh, the alloc_empty_pages_and_pagevec() stuff? It allocates some pages, just for their pfn slots, and then returns the underlying memory back to Xen. It uses the pfns to slot granted pages into. 

I think.

   J

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