[PATCH net-next 7/9] net: openvswitch: add likely in flow_lookup

[xiangxia . m . yue]

From: Tonghao Zhang <xiangxia.m....@gmail.com>

The most case *index < ma->max, we add likely for performance.

Signed-off-by: Tonghao Zhang <xiangxia.m....@gmail.com>
---
 net/openvswitch/flow_table.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c
index c8e79c1..c21fd52 100644
--- a/net/openvswitch/flow_table.c
+++ b/net/openvswitch/flow_table.c
@@ -526,7 +526,7 @@ static struct sw_flow *flow_lookup(struct flow_table *tbl,
        struct sw_flow_mask *mask;
        int i;
 
-       if (*index < ma->max) {
+       if (likely(*index < ma->max)) {
                mask = rcu_dereference_ovsl(ma->masks[*index]);
                if (mask) {
                        flow = masked_flow_lookup(ti, key, mask, n_mask_hit);
-- 
1.8.3.1