From: Paul Gortmaker <[email protected]>

This commit fixes the follwoing warning:

kernel/ksysfs.c:143:5: warning: symbol 'rcu_expedited' was not declared. Should 
it be static?

Signed-off-by: Paul Gortmaker <[email protected]>
[ paulmck: Moved the declaration to include/linux/rcupdate.h to avoid
           including the RCU-internal rcu.h file outside of RCU. ]
Signed-off-by: Paul E. McKenney <[email protected]>
---
 include/linux/rcupdate.h | 1 +
 kernel/ksysfs.c          | 2 ++
 kernel/rcu/rcu.h         | 2 --
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 32decf1a9c6c..f3706c6b2e21 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -46,6 +46,7 @@
 #include <linux/compiler.h>
 #include <asm/barrier.h>
 
+extern int rcu_expedited; /* for sysctl */
 #ifdef CONFIG_RCU_TORTURE_TEST
 extern int rcutorture_runnable; /* for sysctl */
 #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index d945a949760f..e660964086e2 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -19,6 +19,8 @@
 #include <linux/sched.h>
 #include <linux/capability.h>
 
+#include <linux/rcupdate.h>    /* rcu_expedited */
+
 #define KERNEL_ATTR_RO(_name) \
 static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
 
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 1bd787fddcb2..af2e60a8425d 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -116,8 +116,6 @@ static inline bool __rcu_reclaim(const char *rn, struct 
rcu_head *head)
        }
 }
 
-extern int rcu_expedited;
-
 #ifdef CONFIG_RCU_STALL_COMMON
 
 extern int rcu_cpu_stall_suppress;
-- 
1.8.1.5

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