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Date: Mon, 5 May 2014 08:56:10 +0800
From: Ying Xue <ying.xue@...driver.com>
To: <davem@...emloft.net>
CC: <jon.maloy@...csson.com>, <Paul.Gortmaker@...driver.com>,
<erik.hugne@...csson.com>, <netdev@...r.kernel.org>,
<tipc-discussion@...ts.sourceforge.net>
Subject: [PATCH net-next 02/10] 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@...driver.com>
Reviewed-by: Erik Hugne <erik.hugne@...csson.com>
Reviewed-by: Jon Maloy <jon.maloy@...csson.com>
---
net/tipc/node.h | 63 ++++++++++++++++++++++++++++++-------------------------
1 file changed, 34 insertions(+), 29 deletions(-)
diff --git a/net/tipc/node.h b/net/tipc/node.h
index 411b191..bb7f708 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;
--
1.7.9.5
--
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