+ OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_disable_lro])
+ OVS_GREP_IFELSE([$KSRC26/include/linux/netdevice.h], [dev_get_stats])
+
+ OVS_GREP_IFELSE([$KSRC26/include/linux/rcupdate.h], [rcu_read_lock_held], [],
+ [OVS_GREP_IFELSE([$KSRC26/include/linux/rtnetlink.h],
+ [rcu_read_lock_held])])
+