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[IPV6]: Move nfheader_len into rt6_info

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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>
This commit is contained in:
Herbert Xu 2007-11-13 21:33:32 -08:00 • committed by David S. Miller
commit b4ce92775c
5 changed files with 13 additions and 8 deletions
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include/net/dst.h
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@ -50,7 +50,6 @@ struct dst_entry
unsigned long expires;
unsigned short header_len; /* more space at head required */
unsigned short nfheader_len; /* more non-fragment space at head required */
unsigned short trailer_len; /* space to reserve at tail */
u32 metrics[RTAX_MAX];