80084e3591
We don't need to map *everything* of the RX buffers, we won't use that much, map only the part we're going to use. This save some IOMMU space (if applicable and it can deal with that) and also prepares a bit for mapping partial pages for 2K buffers later. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>