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Commit 01896f7e authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent b3f2d025

kernel/rcupdate.c

+1 −1
Original line number Diff line number Diff line
@@ -298,7 +298,7 @@ EXPORT_SYMBOL_GPL(do_trace_rcu_torture_read); 
#endif



int rcu_cpu_stall_suppress __read_mostly; /* 1 = suppress stall warnings. */

int rcu_cpu_stall_timeout __read_mostly = CONFIG_RCU_CPU_STALL_TIMEOUT;

static int rcu_cpu_stall_timeout __read_mostly = CONFIG_RCU_CPU_STALL_TIMEOUT;



module_param(rcu_cpu_stall_suppress, int, 0644);

module_param(rcu_cpu_stall_timeout, int, 0644);

kernel/rcutree.c

+2 −2
Original line number Diff line number Diff line
@@ -222,7 +222,7 @@ void rcu_note_context_switch(int cpu) 
}

EXPORT_SYMBOL_GPL(rcu_note_context_switch);



DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {

static DEFINE_PER_CPU(struct rcu_dynticks, rcu_dynticks) = {

	.dynticks_nesting = DYNTICK_TASK_EXIT_IDLE,

	.dynticks = ATOMIC_INIT(1),

#ifdef CONFIG_NO_HZ_FULL_SYSIDLE
@@ -1366,7 +1366,7 @@ static int rcu_gp_init(struct rcu_state *rsp) 
/*

 * Do one round of quiescent-state forcing.

 */

int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in)

static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in)

{

	int fqs_state = fqs_state_in;

	bool isidle = false;