The most case *index < ma->max, and flow-mask is not NULL.
We add un/likely for performance.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: William Tu <u9012063@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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);
continue;
mask = rcu_dereference_ovsl(ma->masks[i]);
- if (!mask)
+ if (unlikely(!mask))
break;
flow = masked_flow_lookup(ti, key, mask, n_mask_hit);