diff options
| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2010-07-10 22:45:17 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-07-12 20:21:46 -0700 |
| commit | d361fd599a991ff6c1d522a599c635b35d61ef30 (patch) | |
| tree | 6dd438dc6b818a5f08a0213590f3b21ebd00d6cb /net/core/sock.c | |
| parent | inet, inet6: make tcp_sendmsg() and tcp_sendpage() through inet_sendmsg() and inet_sendpage() (diff) | |
| download | linux-dev-d361fd599a991ff6c1d522a599c635b35d61ef30.tar.xz linux-dev-d361fd599a991ff6c1d522a599c635b35d61ef30.zip | |
net: sock_free() optimizations
Avoid two extra instructions in sock_free(), to reload
skb->truesize and skb->sk
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index fef2434b7c8c..363bc260157c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1339,9 +1339,10 @@ EXPORT_SYMBOL(sock_wfree); void sock_rfree(struct sk_buff *skb) { struct sock *sk = skb->sk; + unsigned int len = skb->truesize; - atomic_sub(skb->truesize, &sk->sk_rmem_alloc); - sk_mem_uncharge(skb->sk, skb->truesize); + atomic_sub(len, &sk->sk_rmem_alloc); + sk_mem_uncharge(sk, len); } EXPORT_SYMBOL(sock_rfree); |