[patch] cpuset: remove an unused variable

[Dan Carpenter]

We don't use "cpu" any more after 2baab4e904 "sched: Fix
select_fallback_rq() vs cpu_active/cpu_online".

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index dfceaca..14f7070 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2165,7 +2165,6 @@ void cpuset_cpus_allowed(struct task_struct *tsk, struct cpumask *pmask)
 void cpuset_cpus_allowed_fallback(struct task_struct *tsk)
 {
 	const struct cpuset *cs;
-	int cpu;
 
 	rcu_read_lock();
 	cs = task_cs(tsk);
--
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