Messages in this thread | | | Date | Mon, 11 Jun 2007 18:30:41 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [Intel-IOMMU 02/10] Library routine for pre-allocat pool handling |
| |
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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |