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| author | Jakub Kicinski <kuba@kernel.org> | 2022-10-24 13:44:11 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-24 13:44:11 -0700 |
| commit | 96917bb3a377e1ed103fd5c420a95e5fb25ca104 (patch) | |
| tree | 59e0ef14e8707efba95d2f795742ba69a03bc8d0 /net/ipv4/tcp_ipv4.c | |
| parent | 86d6f77a3cce1189ab7c31e52e4d47ca58e7a601 (diff) | |
| parent | 337a0a0b63f1c30195733eaacf39e4310a592a68 (diff) | |
| download | linux-96917bb3a377e1ed103fd5c420a95e5fb25ca104.tar.gz linux-96917bb3a377e1ed103fd5c420a95e5fb25ca104.tar.bz2 linux-96917bb3a377e1ed103fd5c420a95e5fb25ca104.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
include/linux/net.h
a5ef058dc4d9 ("net: introduce and use custom sockopt socket flag")
e993ffe3da4b ("net: flag sockets supporting msghdr originated zerocopy")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 7a250ef9d1b7..87d440f47a70 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1874,11 +1874,13 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb, __skb_push(skb, hdrlen); no_coalesce: + limit = (u32)READ_ONCE(sk->sk_rcvbuf) + (u32)(READ_ONCE(sk->sk_sndbuf) >> 1); + /* Only socket owner can try to collapse/prune rx queues * to reduce memory overhead, so add a little headroom here. * Few sockets backlog are possibly concurrently non empty. */ - limit = READ_ONCE(sk->sk_rcvbuf) + READ_ONCE(sk->sk_sndbuf) + 64*1024; + limit += 64 * 1024; if (unlikely(sk_add_backlog(sk, skb, limit))) { bh_unlock_sock(sk); |