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authorYing Xue <ying.xue@windriver.com>2014-05-05 08:56:10 +0800
committerDavid S. Miller <davem@davemloft.net>2014-05-05 17:26:44 -0400
commit486f930ac546914550b84abbc227867cc1be1f95 (patch)
tree357b3625876124fe0b449f9f0f3b3859b16cf2a7 /net/tipc
parent5356f3d7d48af72eb2a14b643d5563f068c44fe0 (diff)
tipc: adjust order of variables in tipc_node structure
Move more frequently used variables up to the head of tipc_node structure, hopefully improving a bit performance. Signed-off-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
-rw-r--r--net/tipc/node.h63
1 files changed, 34 insertions, 29 deletions
diff --git a/net/tipc/node.h b/net/tipc/node.h
index 411b1911406..bb7f708ce19 100644
--- a/net/tipc/node.h
+++ b/net/tipc/node.h
@@ -53,56 +53,61 @@
#define WAIT_NODE_DOWN 0x0004 /* wait until peer node is declared down */
/**
+ * struct tipc_node_bclink - TIPC node bclink structure
+ * @acked: sequence # of last outbound b'cast message acknowledged by node
+ * @last_in: sequence # of last in-sequence b'cast message received from node
+ * @last_sent: sequence # of last b'cast message sent by node
+ * @oos_state: state tracker for handling OOS b'cast messages
+ * @deferred_size: number of OOS b'cast messages in deferred queue
+ * @deferred_head: oldest OOS b'cast message received from node
+ * @deferred_tail: newest OOS b'cast message received from node
+ * @reasm_head: broadcast reassembly queue head from node
+ * @reasm_tail: last broadcast fragment received from node
+ * @recv_permitted: true if node is allowed to receive b'cast messages
+ */
+struct tipc_node_bclink {
+ u32 acked;
+ u32 last_in;
+ u32 last_sent;
+ u32 oos_state;
+ u32 deferred_size;
+ struct sk_buff *deferred_head;
+ struct sk_buff *deferred_tail;
+ struct sk_buff *reasm_head;
+ struct sk_buff *reasm_tail;
+ bool recv_permitted;
+};
+
+/**
* struct tipc_node - TIPC node structure
* @addr: network address of node
* @lock: spinlock governing access to structure
* @hash: links to adjacent nodes in unsorted hash chain
- * @list: links to adjacent nodes in sorted list of cluster's nodes
- * @nsub: list of "node down" subscriptions monitoring node
* @active_links: pointers to active links to node
* @links: pointers to all links to node
- * @working_links: number of working links to node (both active and standby)
* @block_setup: bit mask of conditions preventing link establishment to node
+ * @bclink: broadcast-related info
+ * @list: links to adjacent nodes in sorted list of cluster's nodes
+ * @working_links: number of working links to node (both active and standby)
* @link_cnt: number of links to node
* @signature: node instance identifier
- * @bclink: broadcast-related info
+ * @nsub: list of "node down" subscriptions monitoring node
* @rcu: rcu struct for tipc_node
- * @acked: sequence # of last outbound b'cast message acknowledged by node
- * @last_in: sequence # of last in-sequence b'cast message received from node
- * @last_sent: sequence # of last b'cast message sent by node
- * @oos_state: state tracker for handling OOS b'cast messages
- * @deferred_size: number of OOS b'cast messages in deferred queue
- * @deferred_head: oldest OOS b'cast message received from node
- * @deferred_tail: newest OOS b'cast message received from node
- * @reasm_head: broadcast reassembly queue head from node
- * @reasm_tail: last broadcast fragment received from node
- * @recv_permitted: true if node is allowed to receive b'cast messages
*/
struct tipc_node {
u32 addr;
spinlock_t lock;
struct hlist_node hash;
- struct list_head list;
- struct list_head nsub;
struct tipc_link *active_links[2];
struct tipc_link *links[MAX_BEARERS];
+ int block_setup;
+ struct tipc_node_bclink bclink;
+ struct list_head list;
int link_cnt;
int working_links;
- int block_setup;
u32 signature;
+ struct list_head nsub;
struct rcu_head rcu;
- struct {
- u32 acked;
- u32 last_in;
- u32 last_sent;
- u32 oos_state;
- u32 deferred_size;
- struct sk_buff *deferred_head;
- struct sk_buff *deferred_tail;
- struct sk_buff *reasm_head;
- struct sk_buff *reasm_tail;
- bool recv_permitted;
- } bclink;
};
extern struct list_head tipc_node_list;