diff options
| author | Eric Dumazet <dada1@cosmosbay.com> | 2009-05-18 00:35:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-05-18 15:15:06 -0700 |
| commit | 450c4ea15ecb89567e6a75b89cbb8a598a7efb75 (patch) | |
| tree | 5e99e5e58ca2e5e046d47963773ef66857bec46a /virt/kvm/coalesced_mmio.c | |
| parent | 7004bf252c53da18f6b55103e0c92f777f846806 (diff) | |
vlan: use struct netdev_queue counters instead of dev->stats
We can update netdev_queue tx_bytes/tx_packets/tx_dropped counters instead
of dev->stats ones, to reduce number of cache lines dirtied in xmit path.
This fixes a performance problem on SMP when many different cpus take
vlan tx path.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'virt/kvm/coalesced_mmio.c')
0 files changed, 0 insertions, 0 deletions