Commit d361fd59 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

net: sock_free() optimizations 



Avoid two extra instructions in sock_free(), to reload
skb->truesize and skb->sk

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7ba42910

net/core/sock.c

+3 −2
Original line number Diff line number Diff line
@@ -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);