The rcu_check_gp_start_stall() works entirely on rnp parameter, and never uses it's rdp parameter. this commit therefore drop it, updating both callers and the declaration.
No functional change. Signed-off-by: Zqiang <[email protected]> --- kernel/rcu/tree.c | 2 +- kernel/rcu/tree.h | 3 +-- kernel/rcu/tree_stall.h | 5 ++--- 3 files changed, 4 insertions(+), 6 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 27104edace0b..4bb7e9ca5ab7 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2911,7 +2911,7 @@ static __latent_entropy void rcu_core(void) rcu_accelerate_cbs_unlocked(rnp, rdp); } - rcu_check_gp_start_stall(rnp, rdp, rcu_jiffies_till_stall_check()); + rcu_check_gp_start_stall(rnp, rcu_jiffies_till_stall_check()); /* If there are callbacks ready, invoke them. */ if (!rcu_rdp_is_offloaded(rdp) && rcu_segcblist_ready_cbs(&rdp->cblist) && diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 9b85eeaa0071..eedfa43059e8 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -545,8 +545,7 @@ static bool rcu_nohz_full_cpu(void); static void record_gp_stall_check_time(void); static void rcu_iw_handler(struct irq_work *iwp); static void check_cpu_stall(struct rcu_data *rdp); -static void rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp, - const unsigned long gpssdelay); +static void rcu_check_gp_start_stall(struct rcu_node *rnp, const unsigned long gpssdelay); /* Forward declarations for tree_exp.h. */ static void sync_rcu_do_polled_gp(struct work_struct *wp); diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h index 45b9856ccd2b..02684dadb4ee 100644 --- a/kernel/rcu/tree_stall.h +++ b/kernel/rcu/tree_stall.h @@ -998,8 +998,7 @@ EXPORT_SYMBOL_GPL(show_rcu_gp_kthreads); * This function checks for grace-period requests that fail to motivate * RCU to come out of its idle mode. */ -static void rcu_check_gp_start_stall(struct rcu_node *rnp, struct rcu_data *rdp, - const unsigned long gpssdelay) +static void rcu_check_gp_start_stall(struct rcu_node *rnp, const unsigned long gpssdelay) { unsigned long flags; unsigned long j; @@ -1074,7 +1073,7 @@ void rcu_fwd_progress_check(unsigned long j) __func__, jiffies - data_race(READ_ONCE(rcu_state.gp_end))); preempt_disable(); rdp = this_cpu_ptr(&rcu_data); - rcu_check_gp_start_stall(rdp->mynode, rdp, j); + rcu_check_gp_start_stall(rdp->mynode, j); preempt_enable(); } for_each_possible_cpu(cpu) { -- 2.17.1
