On Wed, 2013-05-22 at 10:47 -0700, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@xxxxxxxxxx>
>
> nf_conntrack_lock is a monolithic lock and suffers from huge contention
> on current generation servers (8 or more core/threads).
[]
> diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
[]
> @@ -76,7 +76,8 @@ struct nf_conn {
> plus 1 for any connection(s) we are `master' for */
> struct nf_conntrack ct_general;
>
> - spinlock_t lock;
> + spinlock_t lock;
> + u16 cpu;
trivia:
What's the real value in not using int here?
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