On 31/07/13 16:00, Roger Pau Monne wrote: > Improve the calculation of required grants to process a request by > using nr_phys_segments instead of always assuming a request is going > to use all posible segments. > > nr_phys_segments contains the number of scatter-gather DMA addr+len > pairs, which is basically what we put at every granted page. > for_each_sg iterates over the DMA addr+len pairs and uses a grant > page for each of them.
Reviewed-by: David Vrabel <david.vra...@citrix.com> David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
