RCU_FANOUT_3       50 include/linux/rcu_node_tree.h #define RCU_FANOUT_4	      (RCU_FANOUT_3 * RCU_FANOUT)
RCU_FANOUT_3       67 include/linux/rcu_node_tree.h #elif NR_CPUS <= RCU_FANOUT_3
RCU_FANOUT_3       79 include/linux/rcu_node_tree.h #  define NUM_RCU_LVL_1	      DIV_ROUND_UP(NR_CPUS, RCU_FANOUT_3)