netdev - [PATCH 09/21] [TCP]: Add unlikely() to urgent handling in clean_rtx

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Date:	Sun,  2 Dec 2007 00:48:04 +0200
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	David Miller <davem@...emloft.net>,
	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Subject: [PATCH 09/21] [TCP]: Add unlikely() to urgent handling in clean_rtx_queue

From: =?ISO-8859-1?q?Ilpo_J=E4rvinen?= <ilpo.jarvinen@...sinki.fi>

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
---
 net/ipv4/tcp_input.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3f0b6c7..365c6d4 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2822,8 +2822,8 @@ static int tcp_clean_rtx_queue(struct sock *sk, s32 *seq_rtt_p,
 		if (sacked & TCPCB_LOST)
 			tp->lost_out -= packets_acked;
 
-		if ((sacked & TCPCB_URG) && tp->urg_mode &&
-		    !before(end_seq, tp->snd_up))
+		if (unlikely((sacked & TCPCB_URG) && tp->urg_mode &&
+			     !before(end_seq, tp->snd_up)))
 			tp->urg_mode = 0;
 
 		tp->packets_out -= packets_acked;
-- 
1.5.0.6

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