The following are not used outside the unit they are declared in, so make them static to avoid the following sparse warnings: kernel/rcu/rcu_segcblist.c:91:6: warning: symbol 'rcu_segcblist_set_len' was not declared. Should it be static? kernel/rcu/rcu_segcblist.c:107:6: warning: symbol 'rcu_segcblist_add_len' was not declared. Should it be static? kernel/rcu/rcu_segcblist.c:137:6: warning: symbol 'rcu_segcblist_xchg_len' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx> --- Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx> Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx> Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> Cc: rcu@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- kernel/rcu/rcu_segcblist.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/rcu/rcu_segcblist.c b/kernel/rcu/rcu_segcblist.c index 495c58ce1640..cbc87b804db9 100644 --- a/kernel/rcu/rcu_segcblist.c +++ b/kernel/rcu/rcu_segcblist.c @@ -88,7 +88,7 @@ struct rcu_head *rcu_cblist_dequeue(struct rcu_cblist *rclp) } /* Set the length of an rcu_segcblist structure. */ -void rcu_segcblist_set_len(struct rcu_segcblist *rsclp, long v) +static void rcu_segcblist_set_len(struct rcu_segcblist *rsclp, long v) { #ifdef CONFIG_RCU_NOCB_CPU atomic_long_set(&rsclp->len, v); @@ -104,7 +104,7 @@ void rcu_segcblist_set_len(struct rcu_segcblist *rsclp, long v) * This increase is fully ordered with respect to the callers accesses * both before and after. */ -void rcu_segcblist_add_len(struct rcu_segcblist *rsclp, long v) +static void rcu_segcblist_add_len(struct rcu_segcblist *rsclp, long v) { #ifdef CONFIG_RCU_NOCB_CPU smp_mb__before_atomic(); /* Up to the caller! */ @@ -134,7 +134,7 @@ void rcu_segcblist_inc_len(struct rcu_segcblist *rsclp) * with the actual number of callbacks on the structure. This exchange is * fully ordered with respect to the callers accesses both before and after. */ -long rcu_segcblist_xchg_len(struct rcu_segcblist *rsclp, long v) +static long rcu_segcblist_xchg_len(struct rcu_segcblist *rsclp, long v) { #ifdef CONFIG_RCU_NOCB_CPU return atomic_long_xchg(&rsclp->len, v); -- 2.23.0