On Mon, Dec 03, 2007 at 07:14:26PM -0500, Hideo AOKI wrote: > > Let me try to use sk_forward_alloc at first, while percpu storage > is an interesting idea.
Actually I don't think sk_forward_alloc would work for UDP because it runs lockless (unlike TCP which is run under a the socket lock). So it's either going to be the atomic op or per-cpu counters. For me the atomic op isn't the issue, it's the SMP cache-line bouncing that's more important so having something that did atomic ops on a socket counter which then feeds into the global counter would solve my concerns. But let's wait and see what Dave has to say about this too. Thanks, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <[EMAIL PROTECTED]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
