ipv4: shrink rt_cache_stat

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>

2 files changed, 8 insertions, 16 deletions

diff --git a/include/net/route.h b/include/net/route.h
index 0ad8e0102386..dd4ae0029fd8 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -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;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 6011615e810d..d2d325382b13 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -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;
 }