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| author | Eric Dumazet <edumazet@google.com> | 2015-10-08 19:33:24 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-10-12 19:28:24 -0700 |
| commit | d475f090bf1c0dc2999e98bbf2e7cb2243358849 (patch) | |
| tree | be81e7d131616b46257c3d2006a4cfd45b94e490 /include/linux/tcp.h | |
| parent | ed53d0ab761f5c71d77c8dc05fd19c0a851200db (diff) | |
| download | lwn-d475f090bf1c0dc2999e98bbf2e7cb2243358849.tar.gz lwn-d475f090bf1c0dc2999e98bbf2e7cb2243358849.zip | |
tcp: shrink tcp_timewait_sock by 8 bytes
Reducing tcp_timewait_sock from 280 bytes to 272 bytes
allows SLAB to pack 15 objects per page instead of 14 (on x86)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/tcp.h')
| -rw-r--r-- | include/linux/tcp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index e442e6e9a365..86a7edaa6797 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -356,8 +356,8 @@ static inline struct tcp_sock *tcp_sk(const struct sock *sk) struct tcp_timewait_sock { struct inet_timewait_sock tw_sk; - u32 tw_rcv_nxt; - u32 tw_snd_nxt; +#define tw_rcv_nxt tw_sk.__tw_common.skc_tw_rcv_nxt +#define tw_snd_nxt tw_sk.__tw_common.skc_tw_snd_nxt u32 tw_rcv_wnd; u32 tw_ts_offset; u32 tw_ts_recent; |