Re: [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling

[Christoph Lameter]

On Mon, 11 Jun 2007, Arjan van de Ven wrote:

> the problem with that is that if anything downstream from the iommu layer ALSO
> needs memory, we've now eaten up the last free page and things go splat.

Hmmm... We need something like a reservation system right? Higher levels 
in a atomic context could register their future needs. Then we can avoid 
overallocating in the iommu layer.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/