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

From: David S. Miller (
Date: Mon Feb 26 2001 - 19:05:22 EST

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.

David S. Miller
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

This archive was generated by hypermail 2b29 : Wed Feb 28 2001 - 21:00:12 EST