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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 /drivers/net/loopback.c | |
| parent | net-sysfs: get_netdev_queue_index() cleanup (diff) | |
| download | linux-dev-1c213bd24ad04f4430031d20d740d7783162b099.tar.xz linux-dev-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 'drivers/net/loopback.c')
| -rw-r--r-- | drivers/net/loopback.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index e7c1d5f8ab51..771c9bfa7d31 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -136,16 +136,9 @@ static const struct ethtool_ops loopback_ethtool_ops = { static int loopback_dev_init(struct net_device *dev) { - int i; - dev->lstats = alloc_percpu(struct pcpu_lstats); + dev->lstats = netdev_alloc_pcpu_stats(struct pcpu_lstats); if (!dev->lstats) return -ENOMEM; - - for_each_possible_cpu(i) { - struct pcpu_lstats *lb_stats; - lb_stats = per_cpu_ptr(dev->lstats, i); - u64_stats_init(&lb_stats->syncp); - } return 0; } |