Re: [UPDATE] zerocopy.. While working on ip.h stuff

David S. Miller (davem@redhat.com)
Mon, 26 Feb 2001 16:05:22 -0800 (PST)


Benjamin C.R. LaHaise writes:
> Since the ip header fits in the cache of some CPUs (like the P4),
> this becoming a cheaper operation than ever before.

At gigapacket rates, it becomes an issue. This guy is talking about
tinkering with new IP _options_, not just the header. So even if the
IP header itself fits totally in a cache line, the options afterwardsd
likely will not and thus require another cache miss.

Later,
David S. Miller
davem@redhat.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/