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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-09-23 17:39:04 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-09-28 18:51:25 -0700 |
| commit | e7d2b510165fff6bedc9cca88c071ad846850c74 (patch) | |
| tree | b14a20279c36ca9fac082210cf5419e057075337 /net/ipv4/tcp.c | |
| parent | dfff202be5ea884498beb9f60492053144dd4b3f (diff) | |
| download | lwn-e7d2b510165fff6bedc9cca88c071ad846850c74.tar.gz lwn-e7d2b510165fff6bedc9cca88c071ad846850c74.zip | |
net: shrink struct ubuf_info
We can benefit from a smaller struct ubuf_info, so leave only mandatory
fields and let users to decide how they want to extend it. Convert
MSG_ZEROCOPY to struct ubuf_info_msgzc and remove duplicated fields.
This reduces the size from 48 bytes to just 16.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 5702ca9b952d..a109a4cb1e47 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1239,7 +1239,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size) } zc = sk->sk_route_caps & NETIF_F_SG; if (!zc) - uarg->zerocopy = 0; + uarg_to_msgzc(uarg)->zerocopy = 0; } } |