netdev - [PATCH] net: use NUMA_NO_NODE instead of the magic number -1

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Message-Id: <1292332155-25151-1-git-send-email-xiaosuo@gmail.com>
Date:	Tue, 14 Dec 2010 21:09:15 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Tom Herbert <therbert@...gle.com>, netdev@...r.kernel.org,
	Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] net: use NUMA_NO_NODE instead of the magic number -1

Signed-off-by: Changli Gao <xiaosuo@...il.com>
---
 include/linux/netdevice.h |    2 +-
 net/core/dev.c            |    2 +-
 net/core/net-sysfs.c      |    3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d31bc3c..56c38bb 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -530,7 +530,7 @@ static inline int netdev_queue_numa_node_read(const struct netdev_queue *q)
 #if defined(CONFIG_XPS) && defined(CONFIG_NUMA)
 	return q->numa_node;
 #else
-	return -1;
+	return NUMA_NO_NODE;
 #endif
 }
 
diff --git a/net/core/dev.c b/net/core/dev.c
index d28b3a0..004024c 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5116,7 +5116,7 @@ static void netdev_init_one_queue(struct net_device *dev,
 	spin_lock_init(&queue->_xmit_lock);
 	netdev_set_xmit_lockdep_class(&queue->_xmit_lock, dev->type);
 	queue->xmit_lock_owner = -1;
-	netdev_queue_numa_node_write(queue, -1);
+	netdev_queue_numa_node_write(queue, NUMA_NO_NODE);
 	queue->dev = dev;
 }
 
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 85e8b53..e23c01b 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1009,7 +1009,8 @@ static ssize_t store_xps_map(struct netdev_queue *queue,
 	if (dev_maps)
 		call_rcu(&dev_maps->rcu, xps_dev_maps_release);
 
-	netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node : -1);
+	netdev_queue_numa_node_write(queue, (numa_node >= 0) ? numa_node :
+					    NUMA_NO_NODE);
 
 	mutex_unlock(&xps_map_mutex);
 
--
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