AcoSail/kernel_optimize_test
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ipv4: shrink rt_cache_stat

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Half of the rt_cache_stat fields are no longer used after IP
route cache removal, lets shrink this per cpu area.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2013-10-16 02:49:04 -07:00 committed by David S. Miller
parent a5bb202b84
commit 0baf2b35fc
2 changed files with 8 additions and 16 deletions
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8
include/net/route.h
View File

@ -88,22 +88,14 @@ struct ip_rt_acct {
};
struct rt_cache_stat {
unsigned int in_hit;
unsigned int in_slow_tot;
unsigned int in_slow_mc;
unsigned int in_no_route;
unsigned int in_brd;
unsigned int in_martian_dst;
unsigned int in_martian_src;
unsigned int out_hit;
unsigned int out_slow_tot;
unsigned int out_slow_mc;
unsigned int gc_total;
unsigned int gc_ignored;
unsigned int gc_goal_miss;
unsigned int gc_dst_overflow;
unsigned int in_hlist_search;
unsigned int out_hlist_search;
};
extern struct ip_rt_acct __percpu *ip_rt_acct;

16
net/ipv4/route.c
View File

@ -295,7 +295,7 @@ static int rt_cpu_seq_show(struct seq_file *seq, void *v)
seq_printf(seq,"%08x %08x %08x %08x %08x %08x %08x %08x "
" %08x %08x %08x %08x %08x %08x %08x %08x %08x \n",
dst_entries_get_slow(&ipv4_dst_ops),
st->in_hit,
0, /* st->in_hit */
st->in_slow_tot,
st->in_slow_mc,
st->in_no_route,
@ -303,16 +303,16 @@ static int rt_cpu_seq_show(struct seq_file *seq, void *v)
st->in_martian_dst,
st->in_martian_src,
st->out_hit,
0, /* st->out_hit */
st->out_slow_tot,
st->out_slow_mc,
st->gc_total,
st->gc_ignored,
st->gc_goal_miss,
st->gc_dst_overflow,
st->in_hlist_search,
st->out_hlist_search
0, /* st->gc_total */
0, /* st->gc_ignored */
0, /* st->gc_goal_miss */
0, /* st->gc_dst_overflow */
0, /* st->in_hlist_search */
0 /* st->out_hlist_search */
);
return 0;
}