From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 8 Nov 2009 10:17:30 +0000 (+0000)
Subject: udp: split sk_hash into two u16 hashes
X-Git-Tag: v2.6.33-rc1~388^2~460
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4cada4ae1c012815f95fa507eb86a0ae9d607d7;p=pandora-kernel.git

udp: split sk_hash into two u16 hashes

Union sk_hash with two u16 hashes for udp (no extra memory taken)

One 16 bits hash on (local port) value (the previous udp 'hash')

One 16 bits hash on (local address, local port) values, initialized
but not yet used. This second hash is using jenkin hash for better
distribution.

Because the 'port' is xored later, a partial hash is performed
on local address + net_hash_mix(net)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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