diff options
| author | Neil Horman <nhorman@tuxdriver.com> | 2012-02-10 09:43:37 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-02-11 00:08:57 +0400 |
| commit | f5c38208d32412d72b97a4f0d44af0eb39feb20b (patch) | |
| tree | 66d7a30ed9ec41fc9327b9fc839eec497055c5a9 /net/core/netprio_cgroup.c | |
| parent | a87dfe14a78501c931a4d5481efff6a809aa907d (diff) | |
| download | linux-f5c38208d32412d72b97a4f0d44af0eb39feb20b.tar.xz | |
netprio_cgroup: don't allocate prio table when a device is registered
So we delay the allocation till the priority is set through cgroup,
and this makes skb_update_priority() faster when it's not set.
This also eliminates an off-by-one bug similar with the one fixed
in the previous patch.
Origionally-authored-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/netprio_cgroup.c')
| -rw-r--r-- | net/core/netprio_cgroup.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 72c638780805..4dacc44637ef 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -271,7 +271,6 @@ static int netprio_device_event(struct notifier_block *unused, { struct net_device *dev = ptr; struct netprio_map *old; - u32 max_len = atomic_read(&max_prioidx); /* * Note this is called with rtnl_lock held so we have update side @@ -279,11 +278,6 @@ static int netprio_device_event(struct notifier_block *unused, */ switch (event) { - - case NETDEV_REGISTER: - if (max_len) - extend_netdev_table(dev, max_len); - break; case NETDEV_UNREGISTER: old = rtnl_dereference(dev->priomap); RCU_INIT_POINTER(dev->priomap, NULL); |