From: Allan Stephens <allan.stephens@windriver.com>
Date: Wed, 16 Apr 2008 02:02:30 +0000 (-0700)
Subject: [TIPC]: Use fast buffer cloning to improve performance
X-Git-Tag: v2.6.26-rc1~1138^2~72
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=bdc82bee43d11c093ff0378acef2a9550891cbb9;p=linux-2.6-omap-h63xx.git

[TIPC]: Use fast buffer cloning to improve performance

This patch causes TIPC to allocate fast clonable sk_buffs,
rather than standard ones.  This speeds up the cloning
operation done by the link code each time a message is sent
off-node.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/tipc/core.h b/net/tipc/core.h
index 3229d29e352..b3c9df385bb 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -316,7 +316,7 @@ static inline struct sk_buff *buf_acquire(u32 size)
 	struct sk_buff *skb;
 	unsigned int buf_size = (BUF_HEADROOM + size + 3) & ~3u;
 
-	skb = alloc_skb(buf_size, GFP_ATOMIC);
+	skb = alloc_skb_fclone(buf_size, GFP_ATOMIC);
 	if (skb) {
 		skb_reserve(skb, BUF_HEADROOM);
 		skb_put(skb, size);