From b4ce92775c2e7ff9cf79cca4e0a19c8c5fd6287b Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 13 Nov 2007 21:33:32 -0800
Subject: [IPV6]: Move nfheader_len into rt6_info

The dst member nfheader_len is only used by IPv6.  It's also currently
creating a rather ugly alignment hole in struct dst.  Therefore this patch
moves it from there into struct rt6_info.

It also reorders the fields in rt6_info to minimize holes.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ip6_fib.h | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'include/net/ip6_fib.h')

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 857821360bb..4cefcffe773 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -99,16 +99,21 @@ struct rt6_info
 	u32				rt6i_flags;
 	u32				rt6i_metric;
 	atomic_t			rt6i_ref;
-	struct fib6_table		*rt6i_table;
 
-	struct rt6key			rt6i_dst;
-	struct rt6key			rt6i_src;
+	/* more non-fragment space at head required */
+	unsigned short			nfheader_len;
 
 	u8				rt6i_protocol;
 
+	struct fib6_table		*rt6i_table;
+
+	struct rt6key			rt6i_dst;
+
 #ifdef CONFIG_XFRM
 	u32				rt6i_flow_cache_genid;
 #endif
+
+	struct rt6key			rt6i_src;
 };
 
 static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
-- 
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