From: Evgeniy Polyakov <[EMAIL PROTECTED]> Date: Fri, 12 May 2006 10:47:11 +0400
> On Fri, May 12, 2006 at 01:53:44AM +0200, Brice Goglin ([EMAIL PROTECTED]) > wrote: > > > Imho you will want to work directly with pages shortly. > > > > > > > We had thought about doing this, but were a little nervous since we did > > not know of any other drivers that worked directly with pages. If this > > is an official direction to work directly with pages, we will. > > s2io does. e1000 does it with skb frags. > If your hardware allows header split and driver can put headers into > skb->data and real data into frag_list, that allows to create various > interesting things like receiving zero-copy support and netchannels > support. It is work in progress, not official direction currently, > but this definitely will help your driver to support future high > performance extensions. The most important impact is not having to use order 1 pages for jumbo MTU frames, which are more likely to fail allocations thant order 0 pages under heavy load. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
