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rcu: Move rcu_expedited and rcu_normal externs from rcupdate.h

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The rcu_expedited and rcu_normal variables are used only by sysctl
and kernel/rcu/update.c, so it does not make sense to their extern
declarations in rcupdate.h.  This commit therefore moves these
extern declarations to update.c.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2017-05-03 09:27:15 -07:00
parent a68a2bb28b
commit 3caec62fbb
2 changed files with 2 additions and 7 deletions
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7
include/linux/rcupdate.h
View File

@ -46,13 +46,6 @@
#include <linux/ktime.h>
#include <linux/irqflags.h>
#include <asm/barrier.h>
#ifndef CONFIG_TINY_RCU
extern int rcu_expedited; /* for sysctl */
extern int rcu_normal; /* also for sysctl */
#endif /* #ifndef CONFIG_TINY_RCU */
#ifdef CONFIG_TINY_RCU
/* Tiny RCU doesn't expedite, as its purpose in life is instead to be tiny. */
static inline bool rcu_gp_is_normal(void) /* Internal RCU use. */

2
kernel/rcu/update.c
View File

@ -62,7 +62,9 @@
#define MODULE_PARAM_PREFIX "rcupdate."
#ifndef CONFIG_TINY_RCU
extern int rcu_expedited; /* from sysctl */
module_param(rcu_expedited, int, 0);
extern int rcu_normal; /* from sysctl */
module_param(rcu_normal, int, 0);
static int rcu_normal_after_boot;
module_param(rcu_normal_after_boot, int, 0);