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

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
...@@ -1339,9 +1339,10 @@ EXPORT_SYMBOL(sock_wfree); ...@@ -1339,9 +1339,10 @@ EXPORT_SYMBOL(sock_wfree);
void sock_rfree(struct sk_buff *skb) void sock_rfree(struct sk_buff *skb)
{ {
struct sock *sk = skb->sk; struct sock *sk = skb->sk;
unsigned int len = skb->truesize;
atomic_sub(skb->truesize, &sk->sk_rmem_alloc); atomic_sub(len, &sk->sk_rmem_alloc);
sk_mem_uncharge(skb->sk, skb->truesize); sk_mem_uncharge(sk, len);
} }
EXPORT_SYMBOL(sock_rfree); EXPORT_SYMBOL(sock_rfree);
......
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