> > One question I've long had on this code is why we use copymsg() rather > > than dupmsg(). > > I _think_ the original rationale was that, since we're just going to > do a copymsg() in ip_input->ip_fix_dbref anyway, we might as well skip > the wasteful allocation/free of an mblk_t (merely to tell IP, "here; > you do the copy") and skip right to the data copy that's going to > happen anyway.
Though ip_fix_dbref() is new with Xen, and that copymsg() code has been there since GLDv3 integrated. -- meem _______________________________________________ networking-discuss mailing list [email protected]
