From d361fd599a991ff6c1d522a599c635b35d61ef30 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Sat, 10 Jul 2010 22:45:17 +0000 Subject: net: sock_free() optimizations Avoid two extra instructions in sock_free(), to reload skb->truesize and skb->sk Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/sock.c | 5 +++-- 1 file 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); -- cgit v1.2.3-59-g8ed1b