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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2014-02-13 20:46:28 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-02-14 21:49:55 +0100 |
| commit | 1c213bd24ad04f4430031d20d740d7783162b099 (patch) | |
| tree | eb42b8d216e89008065634185fd6a5fcce5ec4e9 /net/openvswitch/vport.c | |
| parent | net-sysfs: get_netdev_queue_index() cleanup (diff) | |
| download | linux-1c213bd24ad04f4430031d20d740d7783162b099.tar.xz linux-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/openvswitch/vport.c')
| -rw-r--r-- | net/openvswitch/vport.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 208dd9a26dd1..3b4db3220456 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -121,7 +121,6 @@ struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops, { struct vport *vport; size_t alloc_size; - int i; alloc_size = sizeof(struct vport); if (priv_size) { @@ -139,19 +138,12 @@ struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *ops, vport->ops = ops; INIT_HLIST_NODE(&vport->dp_hash_node); - vport->percpu_stats = alloc_percpu(struct pcpu_sw_netstats); + vport->percpu_stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!vport->percpu_stats) { kfree(vport); return ERR_PTR(-ENOMEM); } - for_each_possible_cpu(i) { - struct pcpu_sw_netstats *vport_stats; - vport_stats = per_cpu_ptr(vport->percpu_stats, i); - u64_stats_init(&vport_stats->syncp); - } - - spin_lock_init(&vport->stats_lock); return vport; |