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net: speedup sock_recv_ts_and_drops()

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sock_recv_ts_and_drops() is fat and slow (~ 4% of cpu time on some
profiles)

We can test all socket flags at once to make fast path fast again.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2010-04-28 19:14:43 +00:00
committed by David S. Miller
parent 2185126412
commit 767dd03369
2 changed files with 20 additions and 3 deletions
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net/socket.c
+2 -2
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@@ -655,13 +655,13 @@ inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, struct sk_buff
sizeof(__u32), &skb->dropcount);
}
void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb)
{
sock_recv_timestamp(msg, sk, skb);
sock_recv_drops(msg, sk, skb);
}
EXPORT_SYMBOL_GPL(sock_recv_ts_and_drops);
EXPORT_SYMBOL_GPL(__sock_recv_ts_and_drops);
static inline int __sock_recvmsg_nosec(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)