Upstream commit:
commit c57c054eb5b1ccf230c49f736f7a018fcbc3e952
Author: Tonghao Zhang <[email protected]>
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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Tonghao Zhang <[email protected]>
---
datapath/flow.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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;
--
1.8.3.1
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