diff options
| author | Florian Westphal <fw@strlen.de> | 2017-07-30 03:57:21 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-31 14:37:49 -0700 |
| commit | 45f119bf936b1f9f546a0b139c5b56f9bb2bdc78 (patch) | |
| tree | 860b9827faa6b5d3ba64ba30149737b388c55e66 /net/ipv4/tcp.c | |
| parent | b6690b14386698ce2c19309abad3f17656bdfaea (diff) | |
tcp: remove header prediction
Like prequeue, I am not sure this is overly useful nowadays.
If we receive a train of packets, GRO will aggregate them if the
headers are the same (HP predates GRO by several years) so we don't
get a per-packet benefit, only a per-aggregated-packet one.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 62018ea6f45f..e022874d509f 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1848,10 +1848,8 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock, tcp_rcv_space_adjust(sk); skip_copy: - if (tp->urg_data && after(tp->copied_seq, tp->urg_seq)) { + if (tp->urg_data && after(tp->copied_seq, tp->urg_seq)) tp->urg_data = 0; - tcp_fast_path_check(sk); - } if (used + offset < skb->len) continue; |