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neigh: reorder fields in struct neighbour 

On 64bit arches, there are two 32bit holes that we can remove.

sizeof(struct neighbour) shrinks from 0xf8 to 0xf0 bytes

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-09-30 05:36:29 +00:00 committed by David S. Miller
parent bb7196d2bf
commit 367e5e3769
1 changed files with 3 additions and 3 deletions
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6
include/net/neighbour.h
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@ -94,7 +94,7 @@ struct neighbour {
struct neighbour *next;
struct neigh_table *tbl;
struct neigh_parms *parms;
struct net_device *dev;
struct net_device *dev;
unsigned long used;
unsigned long confirmed;
unsigned long updated;
@ -102,11 +102,11 @@ struct neighbour {
__u8 nud_state;
__u8 type;
__u8 dead;
atomic_t refcnt;
atomic_t probes;
rwlock_t lock;
unsigned char ha[ALIGN(MAX_ADDR_LEN, sizeof(unsigned long))];
struct hh_cache *hh;
atomic_t refcnt;
int (*output)(struct sk_buff *skb);
struct sk_buff_head arp_queue;
struct timer_list timer;
@ -163,7 +163,7 @@ struct neigh_table {
atomic_t entries;
rwlock_t lock;
unsigned long last_rand;
struct kmem_cache *kmem_cachep;
struct kmem_cache *kmem_cachep;
struct neigh_statistics __percpu *stats;
struct neighbour **hash_buckets;
unsigned int hash_mask;