Symbol: DEFINE_STATIC_SRCU_FAST_UPDOWN
kernel/rcu/rcutorture.c
696
DEFINE_STATIC_SRCU_FAST_UPDOWN(srcu_ctlfud);
kernel/rcu/refscale.c
189
DEFINE_STATIC_SRCU_FAST_UPDOWN(srcu_fast_updown_refctl_scale);