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Diffstat (limited to 'net/bridge/br_private.h')
-rw-r--r--net/bridge/br_private.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 47fd64bf5022..1cbbf63a5ef7 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -160,19 +160,21 @@ struct net_bridge_vlan_group {
u16 pvid;
};
-struct net_bridge_fdb_entry
-{
+struct net_bridge_fdb_entry {
struct hlist_node hlist;
struct net_bridge_port *dst;
- unsigned long updated;
- unsigned long used;
mac_addr addr;
__u16 vlan_id;
unsigned char is_local:1,
is_static:1,
added_by_user:1,
added_by_external_learn:1;
+
+ /* write-heavy members should not affect lookups */
+ unsigned long updated ____cacheline_aligned_in_smp;
+ unsigned long used;
+
struct rcu_head rcu;
};