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Date: Wed, 18 Jul 2012 09:15:59 -0700 (PDT) From: David Miller <davem@...emloft.net> To: eric.dumazet@...il.com Cc: David.Laight@...LAB.COM, netdev@...r.kernel.org, andrewmcgr@...il.com, dave.taht@...il.com, therbert@...gle.com Subject: Re: [PATCH net-next] ipv6: add ipv6_addr_hash() helper From: Eric Dumazet <eric.dumazet@...il.com> Date: Wed, 18 Jul 2012 16:06:06 +0200 > [PATCH net-next v2] ipv6: add ipv6_addr_hash() helper > > Introduce ipv6_addr_hash() helper doing a XOR on all bits > of an IPv6 address, with an optimized x86_64 version. > > Use it in flow dissector, as suggested by Andrew McGregor, > to reduce hash collision probabilities in fq_codel (and other > users of flow dissector) > > Use it in ip6_tunnel.c and use more bit shuffling, as suggested > by David Laight, as existing hash was ignoring most of them. > > Use it in sunrpc and use more bit shuffling, using hash_32(). > > As cleanup, use it in net/ipv4/tcp_metrics.c > > Signed-off-by: Eric Dumazet <edumazet@...gle.com> > Reported-by: Andrew McGregor <andrewmcgr@...il.com> Looks good, applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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