[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>
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 8578213..4cefcff 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -99,16 +99,21 @@
u32 rt6i_flags;
u32 rt6i_metric;
atomic_t rt6i_ref;
+
+ /* more non-fragment space at head required */
+ unsigned short nfheader_len;
+
+ u8 rt6i_protocol;
+
struct fib6_table *rt6i_table;
struct rt6key rt6i_dst;
- struct rt6key rt6i_src;
-
- u8 rt6i_protocol;
#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)