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authorWANG Cong2014-02-13 20:46:28 +0100
committerDavid S. Miller2014-02-14 21:49:55 +0100
commit1c213bd24ad04f4430031d20d740d7783162b099 (patch)
treeeb42b8d216e89008065634185fd6a5fcce5ec4e9 /net/bridge
parentnet-sysfs: get_netdev_queue_index() cleanup (diff)
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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/bridge')
-rw-r--r--net/bridge/br_device.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 63f0455c0bc3..bf34451743a1 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -88,18 +88,11 @@ out:
static int br_dev_init(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- int i;
- br->stats = alloc_percpu(struct pcpu_sw_netstats);
+ br->stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!br->stats)
return -ENOMEM;
- for_each_possible_cpu(i) {
- struct pcpu_sw_netstats *br_dev_stats;
- br_dev_stats = per_cpu_ptr(br->stats, i);
- u64_stats_init(&br_dev_stats->syncp);
- }
-
return 0;
}