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tcp: replace ehash_size by ehash_mask

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Storing the mask (size - 1) instead of the size allows fast path to be
a bit faster.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2009-10-09 00:16:19 +00:00
committed by David S. Miller
parent c3faca053d
commit f373b53b5f
8 changed files with 21 additions and 21 deletions
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2
net/ipv4/inet_hashtables.c
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@@ -209,7 +209,7 @@ struct sock * __inet_lookup_established(struct net *net,
* have wildcards anyways.
*/
unsigned int hash = inet_ehashfn(net, daddr, hnum, saddr, sport);
unsigned int slot = hash & (hashinfo->ehash_size - 1);
unsigned int slot = hash & hashinfo->ehash_mask;
struct inet_ehash_bucket *head = &hashinfo->ehash[slot];
rcu_read_lock();