diff options
| author | Eric Dumazet <edumazet@google.com> | 2021-10-25 09:48:16 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-10-25 18:02:12 -0700 |
| commit | 0c0a5ef809f9150e9229e7b13e43183b681b7a39 (patch) | |
| tree | a991c865b20f6a75c9ab89bef3304bd8b2bea28e /include/net/inet_sock.h | |
| parent | fd559a943e3ad919b47ee480e3edb230a818a6b1 (diff) | |
tcp: move inet->rx_dst_ifindex to sk->sk_rx_dst_ifindex
Increase cache locality by moving rx_dst_ifindex next to sk->sk_rx_dst
This is part of an effort to reduce cache line misses in TCP fast path.
This removes one cache line miss in early demux.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/inet_sock.h')
| -rw-r--r-- | include/net/inet_sock.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index 89163ef8cf4b..9e1111f5915b 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -207,11 +207,10 @@ struct inet_sock { __be32 inet_saddr; __s16 uc_ttl; __u16 cmsg_flags; + struct ip_options_rcu __rcu *inet_opt; __be16 inet_sport; __u16 inet_id; - struct ip_options_rcu __rcu *inet_opt; - int rx_dst_ifindex; __u8 tos; __u8 min_ttl; __u8 mc_ttl; |