diff options
| author | Eric Dumazet <edumazet@google.com> | 2020-11-13 07:08:08 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-14 16:09:56 -0800 |
| commit | d3cd4924e3853aa771c3acf6f3ea3fb2cccdfadd (patch) | |
| tree | 94345aae2270f7f2fcdcdcc313c31572033d800a /include | |
| parent | ae8cb93286e50ece1e45674661cbefcafe8b811c (diff) | |
| download | linux-d3cd4924e3853aa771c3acf6f3ea3fb2cccdfadd.tar.bz2 | |
tcp: uninline tcp_stream_memory_free()
Both IPv4 and IPv6 needs it via a function pointer.
Following patch will avoid the indirect call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/tcp.h | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 4aba0f069b05..d643ee4e4249 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1965,18 +1965,7 @@ static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp) return tp->notsent_lowat ?: net->ipv4.sysctl_tcp_notsent_lowat; } -/* @wake is one when sk_stream_write_space() calls us. - * This sends EPOLLOUT only if notsent_bytes is half the limit. - * This mimics the strategy used in sock_def_write_space(). - */ -static inline bool tcp_stream_memory_free(const struct sock *sk, int wake) -{ - const struct tcp_sock *tp = tcp_sk(sk); - u32 notsent_bytes = READ_ONCE(tp->write_seq) - - READ_ONCE(tp->snd_nxt); - - return (notsent_bytes << wake) < tcp_notsent_lowat(tp); -} +bool tcp_stream_memory_free(const struct sock *sk, int wake); #ifdef CONFIG_PROC_FS int tcp4_proc_init(void); |