On 15-07-03 05:08 AM, Eric Dumazet wrote: > On Fri, 2015-07-03 at 07:25 -0400, Jamal Hadi Salim wrote: >> On 07/02/15 16:59, Eric Dumazet wrote: >>> On Thu, 2015-07-02 at 09:35 -0700, John Fastabend wrote: >> >>> >>> Point is to not dirty cache line for every packet ? >>> >>> Doing the test means we attempt dirtying only ~HZ times per second, >>> which really matters to handle millions of packets per second. >>> >>> My tests show a good enough performance, not sure we want a percpu thing >>> for this lastuse field.
Agreed percpu is overkill thanks for the explanation. Looks good to me. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
