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net: bridge: mdb: arrange internal structs so fast-path fields are close

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Before this patch we'd need 2 cache lines for fast-path, now all used
fields are in the first cache line.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2020-09-07 12:56:05 +03:00 committed by Jakub Kicinski
parent bb1416adb8
commit 6ec0d0ee66
1 changed files with 9 additions and 5 deletions
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14
net/bridge/br_private.h
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@ -217,23 +217,27 @@ struct net_bridge_fdb_entry {
struct net_bridge_port_group {
struct net_bridge_port *port;
struct net_bridge_port_group __rcu *next;
struct hlist_node mglist;
struct rcu_head rcu;
struct timer_list timer;
struct br_ip addr;
unsigned char eth_addr[ETH_ALEN] __aligned(2);
unsigned char flags;
struct timer_list timer;
struct hlist_node mglist;
struct rcu_head rcu;
};
struct net_bridge_mdb_entry {
struct rhash_head rhnode;
struct net_bridge *br;
struct net_bridge_port_group __rcu *ports;
struct rcu_head rcu;
struct timer_list timer;
struct br_ip addr;
bool host_joined;
struct timer_list timer;
struct hlist_node mdb_node;
struct rcu_head rcu;
};
struct net_bridge_port {