Message ID | 1505091651-55964-2-git-send-email-xiangxia.m.yue@gmail.com |
---|---|
State | Accepted |
Headers | show |
Series | datapath: Optimize operations for OvS flow_stats. | expand |
On Sun, Sep 10, 2017 at 6:00 PM, Tonghao Zhang <xiangxia.m.yue@gmail.com> wrote: > Upstream commit: > commit c57c054eb5b1ccf230c49f736f7a018fcbc3e952 > Author: Tonghao Zhang <xiangxia.m.yue@gmail.com> > Date: Mon Jul 17 23:28:05 2017 -0700 > > 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> > > Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Applied both patches to master. Thanks!
diff --git a/datapath/flow.c b/datapath/flow.c index c4f63b0..20582df 100644 --- a/datapath/flow.c +++ b/datapath/flow.c @@ -71,7 +71,6 @@ 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); @@ -107,7 +106,7 @@ 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;