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rcu: Remove "cpu" argument to rcu_cleanup_after_idle()

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The "cpu" argument to rcu_cleanup_after_idle() is always the current
CPU, so drop it.  This moves the smp_processor_id() from the caller to
rcu_cleanup_after_idle(), saving argument-passing overhead.  Again,
the anticipated cross-CPU uses of these functions has been replaced
by NO_HZ_FULL.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Pranith Kumar <bobby.prani@gmail.com>
This commit is contained in:
Paul E. McKenney
2014-10-22 15:07:37 -07:00
parent 198bbf8127
commit 8fa7845df5
3 changed files with 5 additions and 5 deletions
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2
kernel/rcu/tree.h
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@@ -579,7 +579,7 @@ static int rcu_spawn_one_boost_kthread(struct rcu_state *rsp,
#endif /* #ifdef CONFIG_RCU_BOOST */
static void __init rcu_spawn_boost_kthreads(void);
static void rcu_prepare_kthreads(int cpu);
static void rcu_cleanup_after_idle(int cpu);
static void rcu_cleanup_after_idle(void);
static void rcu_prepare_for_idle(void);
static void rcu_idle_count_callbacks_posted(void);
static void print_cpu_stall_info_begin(void);