On Mon, Oct 10, 2011 at 12:11:33PM +0100, Ian Campbell wrote: > A few network drivers currently use skb_frag_struct for this purpose but I have > patches which add additional fields and semantics there which these other uses > do not want. > > A structure for reference sub-page regions seems like a generally useful thing > so do so instead of adding a network subsystem specific structure. Subpage seems like a fairly bad name. page_frag would fit into the scheme used in a few other places. The brings back the discussion of unifying the various incarnations we have of this (biovec, skb frag and there were a few more at times), but IIRC one of the sticking points back then was that one offset insistet in 32-bit offset/len and the other on 16-bit. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>