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authorWANG Cong <xiyou.wangcong@gmail.com>2014-02-13 11:46:28 -0800
committerDavid S. Miller <davem@davemloft.net>2014-02-14 15:49:55 -0500
commit1c213bd24ad04f4430031d20d740d7783162b099 (patch)
treeeb42b8d216e89008065634185fd6a5fcce5ec4e9 /net/ipv6/ip6_tunnel.c
parented1acc8cd8c22efa919da8d300bab646e01c2dce (diff)
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/ipv6/ip6_tunnel.c')
-rw-r--r--net/ipv6/ip6_tunnel.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 5db8d310f9c0..8ad59f4811df 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1502,19 +1502,12 @@ static inline int
ip6_tnl_dev_init_gen(struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- int i;
t->dev = dev;
t->net = dev_net(dev);
- dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
-
- for_each_possible_cpu(i) {
- struct pcpu_sw_netstats *ip6_tnl_stats;
- ip6_tnl_stats = per_cpu_ptr(dev->tstats, i);
- u64_stats_init(&ip6_tnl_stats->syncp);
- }
return 0;
}