On Tue, 13 Apr 2004, Nagendra Singh Tomar wrote: > even for devices that do Rx checksum verification (and hence allow us to > leave the data payload untouched). If we can have a strategy in which we > keep first 128 bytes say (precisely max possible header size) in a > cacheable region and the rest, that is pure data, in uncacheable region, > we can see some gain. This should not be difficult if using non-linear sk_buff. > The most important question: Is it worth all this ? DO we gain much if we > prevent pollution of the data cache, by doing these tricks. I am doubtful, but I am possibly biased from working a lot with iptables and often accessing the payload while the packet is forwarded for NAT etc.. but maybe. Regards Henrik - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
