RCU_SEQ_CTR_SHIFT 24 kernel/rcu/rcu.h #define RCU_SEQ_STATE_MASK ((1 << RCU_SEQ_CTR_SHIFT) - 1) RCU_SEQ_CTR_SHIFT 32 kernel/rcu/rcu.h return s >> RCU_SEQ_CTR_SHIFT; RCU_SEQ_CTR_SHIFT 156 kernel/rcu/rcu.h return ((rnd_diff - RCU_SEQ_STATE_MASK - 1) >> RCU_SEQ_CTR_SHIFT) + 2; RCU_SEQ_CTR_SHIFT 90 kernel/rcu/tree.c .gp_seq = (0UL - 300UL) << RCU_SEQ_CTR_SHIFT,