From e913173f4948dbc2ea11d4963d82b0ecc02457ad Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@nuts.ninka.net>
Date: Mon, 24 Mar 2003 13:09:40 -0800
Subject: [NET]: Make SKB layout/initialization/copy more cache friendly.

---
 include/linux/skbuff.h | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

(limited to 'include/linux')

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index eeb6322193d7..3be29f0d15f6 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -231,15 +231,8 @@ struct sk_buff {
 				pkt_type,
 				ip_summed;
 	__u32			priority;
-	atomic_t		users;
 	unsigned short		protocol,
 				security;
-	unsigned int		truesize;
-
-	unsigned char		*head,
-				*data,
-				*tail,
-				*end;
 
 	void			(*destructor)(struct sk_buff *skb);
 #ifdef CONFIG_NETFILTER
@@ -261,6 +254,14 @@ struct sk_buff {
 #ifdef CONFIG_NET_SCHED
        __u32			tc_index;               /* traffic control index */
 #endif
+
+	/* These elements must be at the end, see alloc_skb() for details.  */
+	unsigned int		truesize;
+	atomic_t		users;
+	unsigned char		*head,
+				*data,
+				*tail,
+				*end;
 };
 
 #define SK_WMEM_MAX	65535
-- 
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