neigh: Do not set tbl->entry_size in ipv4/ipv6 neigh tables.

Let the core self-size the neigh entry based upon the key length.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/atm/clip.c

@@ -322,7 +322,6 @@ static u32 clip_hash(const void *pkey, const struct net_device *dev, __u32 rnd)
 
 static struct neigh_table clip_tbl = {
 	.family 	= AF_INET,
-	.entry_size 	= sizeof(struct neighbour)+sizeof(struct atmarp_entry),
 	.key_len 	= 4,
 	.hash 		= clip_hash,
 	.constructor 	= clip_constructor,

net/ipv4/arp.c

@@ -164,7 +164,6 @@ static const struct neigh_ops arp_broken_ops = {
 
 struct neigh_table arp_tbl = {
 	.family		= AF_INET,
-	.entry_size	= sizeof(struct neighbour) + 4,
 	.key_len	= 4,
 	.hash		= arp_hash,
 	.constructor	= arp_constructor,

net/ipv6/ndisc.c

@@ -126,7 +126,6 @@ static const struct neigh_ops ndisc_direct_ops = {
 
 struct neigh_table nd_tbl = {
 	.family =	AF_INET6,
-	.entry_size =	sizeof(struct neighbour) + sizeof(struct in6_addr),
 	.key_len =	sizeof(struct in6_addr),
 	.hash =		ndisc_hash,
 	.constructor =	ndisc_constructor,