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ipv4: Don't store a rule pointer in fib_result.

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We only use it to fetch the rule's tclassid, so just store the
tclassid there instead.

This also decreases the size of fib_result by a full 8 bytes on
64-bit.  On 32-bits it's a wash.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-07-13 08:21:29 -07:00
parent d01cb20711
commit 85b91b0339
4 changed files with 11 additions and 30 deletions
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6
net/ipv4/route.c
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@@ -1735,7 +1735,7 @@ static void rt_set_nexthop(struct rtable *rt, const struct flowi4 *fl4,
#ifdef CONFIG_IP_ROUTE_CLASSID
#ifdef CONFIG_IP_MULTIPLE_TABLES
set_class_tag(rt, fib_rules_tclass(res));
set_class_tag(rt, res->tclassid);
#endif
set_class_tag(rt, itag);
#endif
@@ -2353,11 +2353,9 @@ static struct rtable *ip_route_output_slow(struct net *net, struct flowi4 *fl4)
__be32 orig_saddr;
int orig_oif;
res.tclassid = 0;
res.fi = NULL;
res.table = NULL;
#ifdef CONFIG_IP_MULTIPLE_TABLES
res.r = NULL;
#endif
orig_daddr = fl4->daddr;
orig_saddr = fl4->saddr;