rcu: Convert local functions to static
The rcu_cpu_stall_timeout kernel parameter, the rcu_dynticks per-CPU variable, and the rcu_gp_fqs() function are used only locally. This commit therefore marks them as static. Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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@ -298,7 +298,7 @@ EXPORT_SYMBOL_GPL(do_trace_rcu_torture_read);
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#endif
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int rcu_cpu_stall_suppress __read_mostly; /* 1 = suppress stall warnings. */
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int rcu_cpu_stall_timeout __read_mostly = CONFIG_RCU_CPU_STALL_TIMEOUT;
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static int rcu_cpu_stall_timeout __read_mostly = CONFIG_RCU_CPU_STALL_TIMEOUT;
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module_param(rcu_cpu_stall_suppress, int, 0644);
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module_param(rcu_cpu_stall_timeout, int, 0644);
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@ -222,7 +222,7 @@ void rcu_note_context_switch(int cpu)
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}
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EXPORT_SYMBOL_GPL(rcu_note_context_switch);
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DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {
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static DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {
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.dynticks_nesting = DYNTICK_TASK_EXIT_IDLE,
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.dynticks = ATOMIC_INIT(1),
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#ifdef CONFIG_NO_HZ_FULL_SYSIDLE
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@ -1366,7 +1366,7 @@ static int rcu_gp_init(struct rcu_state *rsp)
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/*
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* Do one round of quiescent-state forcing.
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*/
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int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in)
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static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in)
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{
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int fqs_state = fqs_state_in;
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bool isidle = false;
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