linux-kernel - [PATCH tip/core/rcu 3/4] srcu: Make process

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Date:   Mon, 24 Jul 2017 15:15:30 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 3/4] srcu: Make process_srcu() be static

The function process_srcu() is not invoked outside of srcutree.c, so
this commit makes it static and drops the EXPORT_SYMBOL_GPL().

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 include/linux/srcutree.h | 2 --
 kernel/rcu/srcutree.c    | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h
index 42973f787e7e..a026a9493bde 100644
--- a/include/linux/srcutree.h
+++ b/include/linux/srcutree.h
@@ -104,8 +104,6 @@ struct srcu_struct {
 #define SRCU_STATE_SCAN1	1
 #define SRCU_STATE_SCAN2	2
 
-void process_srcu(struct work_struct *work);
-
 #define __SRCU_STRUCT_INIT(name)					\
 	{								\
 		.sda = &name##_srcu_data,				\
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index d0ca524bf042..94bd6ed43ea3 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -51,6 +51,7 @@ module_param(counter_wrap_check, ulong, 0444);
 
 static void srcu_invoke_callbacks(struct work_struct *work);
 static void srcu_reschedule(struct srcu_struct *sp, unsigned long delay);
+static void process_srcu(struct work_struct *work);
 
 /*
  * Initialize SRCU combining tree.  Note that statically allocated
@@ -1194,7 +1195,7 @@ static void srcu_reschedule(struct srcu_struct *sp, unsigned long delay)
 /*
  * This is the work-queue function that handles SRCU grace periods.
  */
-void process_srcu(struct work_struct *work)
+static void process_srcu(struct work_struct *work)
 {
 	struct srcu_struct *sp;
 
@@ -1203,7 +1204,6 @@ void process_srcu(struct work_struct *work)
 	srcu_advance_state(sp);
 	srcu_reschedule(sp, srcu_get_delay(sp));
 }
-EXPORT_SYMBOL_GPL(process_srcu);
 
 void srcutorture_get_gp_data(enum rcutorture_type test_type,
 			     struct srcu_struct *sp, int *flags,
-- 
2.5.2