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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-02-13 11:46:28 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-02-14 15:49:55 -0500 |
| commit | 1c213bd24ad04f4430031d20d740d7783162b099 (patch) | |
| tree | eb42b8d216e89008065634185fd6a5fcce5ec4e9 /net/8021q | |
| parent | ed1acc8cd8c22efa919da8d300bab646e01c2dce (diff) | |
| download | lwn-1c213bd24ad04f4430031d20d740d7783162b099.tar.gz lwn-1c213bd24ad04f4430031d20d740d7783162b099.zip | |
net: introduce netdev_alloc_pcpu_stats() for drivers
There are many drivers calling alloc_percpu() to allocate pcpu stats
and then initializing ->syncp. So just introduce a helper function for them.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/8021q')
| -rw-r--r-- | net/8021q/vlan_dev.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index de51c48c4393..566adbf5c506 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -556,7 +556,7 @@ static const struct net_device_ops vlan_netdev_ops; static int vlan_dev_init(struct net_device *dev) { struct net_device *real_dev = vlan_dev_priv(dev)->real_dev; - int subclass = 0, i; + int subclass = 0; netif_carrier_off(dev); @@ -606,17 +606,10 @@ static int vlan_dev_init(struct net_device *dev) vlan_dev_set_lockdep_class(dev, subclass); - vlan_dev_priv(dev)->vlan_pcpu_stats = alloc_percpu(struct vlan_pcpu_stats); + vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats); if (!vlan_dev_priv(dev)->vlan_pcpu_stats) return -ENOMEM; - for_each_possible_cpu(i) { - struct vlan_pcpu_stats *vlan_stat; - vlan_stat = per_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats, i); - u64_stats_init(&vlan_stat->syncp); - } - - return 0; } |