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

    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
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