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| author | Tonghao Zhang <xiangxia.m.yue@gmail.com> | 2017-07-17 23:28:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-19 13:49:39 -0700 |
| commit | c57c054eb5b1ccf230c49f736f7a018fcbc3e952 (patch) | |
| tree | 7974676b06abaa42d1553bc18fab5d9ec430a3b2 /net/openvswitch/flow.c | |
| parent | 6b098a08ad93660e72e9ddbf5869f93bb5719386 (diff) | |
| download | lwn-c57c054eb5b1ccf230c49f736f7a018fcbc3e952.tar.gz lwn-c57c054eb5b1ccf230c49f736f7a018fcbc3e952.zip | |
openvswitch: Optimize updating for OvS flow_stats.
In the ovs_flow_stats_update(), we only use the node
var to alloc flow_stats struct. But this is not a
common case, it is unnecessary to call the numa_node_id()
everytime. This patch is not a bugfix, but there maybe
a small increase.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/flow.c')
| -rw-r--r-- | net/openvswitch/flow.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 597d96faca45..6ef51e764367 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -72,7 +72,6 @@ void ovs_flow_stats_update(struct sw_flow *flow, __be16 tcp_flags, const struct sk_buff *skb) { struct flow_stats *stats; - int node = numa_node_id(); int cpu = smp_processor_id(); int len = skb->len + (skb_vlan_tag_present(skb) ? VLAN_HLEN : 0); @@ -108,7 +107,7 @@ void ovs_flow_stats_update(struct sw_flow *flow, __be16 tcp_flags, __GFP_THISNODE | __GFP_NOWARN | __GFP_NOMEMALLOC, - node); + numa_node_id()); if (likely(new_stats)) { new_stats->used = jiffies; new_stats->packet_count = 1; |