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| author | Eric Dumazet <edumazet@google.com> | 2017-02-17 18:11:42 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-17 21:31:06 +0100 |
| commit | 4e33e34625103593a71d2bae471ce49cef62ef06 (patch) | |
| tree | 06d29484bfebbee057e0a28baf9ec6b9bebab3ff | |
| parent | tcp: accommodate sequence number to a peer's shrunk receive window caused by ... (diff) | |
| download | linux-4e33e34625103593a71d2bae471ce49cef62ef06.tar.xz linux-4e33e34625103593a71d2bae471ce49cef62ef06.zip | |
tcp: use page_ref_inc() in tcp_sendmsg()
sk_page_frag_refill() allocates either a compound page or an order-0
page. We can use page_ref_inc() which is slightly faster than get_page()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -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 d44a6989e76d..da385ae997a3 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1288,7 +1288,7 @@ new_segment: } else { skb_fill_page_desc(skb, i, pfrag->page, pfrag->offset, copy); - get_page(pfrag->page); + page_ref_inc(pfrag->page); } pfrag->offset += copy; } |