From 35750b0bca530b459c98b6383c19ee07d9546c14 Mon Sep 17 00:00:00 2001
From: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Date: Wed, 26 Sep 2018 17:01:07 +0300
Subject: [PATCH] net: bridge: pack net_bridge better

Further reduce the size of net_bridge with 8 bytes and reduce the number of
holes in it:
 Before: holes: 5, sum holes: 15
 After: holes: 3, sum holes: 7

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/bridge/br_private.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 92d08f8c7dd4..57229b9d800f 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -349,7 +349,6 @@ struct net_bridge {
 	/* STP */
 	bridge_id			designated_root;
 	bridge_id			bridge_id;
-	u32				root_path_cost;
 	unsigned char			topology_change;
 	unsigned char			topology_change_detected;
 	u16				root_port;
@@ -361,6 +360,7 @@ struct net_bridge {
 	unsigned long			bridge_hello_time;
 	unsigned long			bridge_forward_delay;
 	unsigned long			bridge_ageing_time;
+	u32				root_path_cost;
 
 	u8				group_addr[ETH_ALEN];
 
@@ -383,6 +383,7 @@ struct net_bridge {
 #if IS_ENABLED(CONFIG_IPV6)
 	u8				multicast_mld_version;
 #endif
+	spinlock_t			multicast_lock;
 	unsigned long			multicast_last_member_interval;
 	unsigned long			multicast_membership_interval;
 	unsigned long			multicast_querier_interval;
@@ -390,7 +391,6 @@ struct net_bridge {
 	unsigned long			multicast_query_response_interval;
 	unsigned long			multicast_startup_query_interval;
 
-	spinlock_t			multicast_lock;
 	struct net_bridge_mdb_htable __rcu *mdb;
 	struct hlist_head		router_list;
 
-- 
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