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rcu: Fix sparse warning for rcu_expedited from kernel/ksysfs.c
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 <paul.gortmaker@windriver.com> [ 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 <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
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@ -46,6 +46,7 @@
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#include <linux/compiler.h>
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#include <asm/barrier.h>
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extern int rcu_expedited; /* for sysctl */
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#ifdef CONFIG_RCU_TORTURE_TEST
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extern int rcutorture_runnable; /* for sysctl */
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#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
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@ -19,6 +19,8 @@
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#include <linux/sched.h>
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#include <linux/capability.h>
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#include <linux/rcupdate.h> /* rcu_expedited */
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#define KERNEL_ATTR_RO(_name) \
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static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
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@ -116,8 +116,6 @@ static inline bool __rcu_reclaim(const char *rn, struct rcu_head *head)
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}
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}
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extern int rcu_expedited;
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#ifdef CONFIG_RCU_STALL_COMMON
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extern int rcu_cpu_stall_suppress;
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