sched/isolation: Rename is_housekeeping_cpu() to housekeeping_cpu()

Fit it into the housekeeping_*() namespace.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
Link: http://lkml.kernel.org/r/1509072159-31808-7-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

include/linux/sched/isolation.h

@@ -29,7 +29,7 @@ static inline void housekeeping_affine(struct task_struct *t) { }
 static inline void housekeeping_init(void) { }
 #endif /* CONFIG_NO_HZ_FULL */
 
-static inline bool is_housekeeping_cpu(int cpu)
+static inline bool housekeeping_cpu(int cpu)
 {
 #ifdef CONFIG_NO_HZ_FULL
 	if (static_branch_unlikely(&housekeeping_overriden))

kernel/sched/core.c

@@ -527,7 +527,7 @@ int get_nohz_timer_target(void)
 	int i, cpu = smp_processor_id();
 	struct sched_domain *sd;
 
-	if (!idle_cpu(cpu) && is_housekeeping_cpu(cpu))
+	if (!idle_cpu(cpu) && housekeeping_cpu(cpu))
 		return cpu;
 
 	rcu_read_lock();
@@ -536,14 +536,14 @@ int get_nohz_timer_target(void)
 			if (cpu == i)
 				continue;
 
-			if (!idle_cpu(i) && is_housekeeping_cpu(i)) {
+			if (!idle_cpu(i) && housekeeping_cpu(i)) {
 				cpu = i;
 				goto unlock;
 			}
 		}
 	}
 
-	if (!is_housekeeping_cpu(cpu))
+	if (!housekeeping_cpu(cpu))
 		cpu = housekeeping_any_cpu();
 unlock:
 	rcu_read_unlock();

kernel/sched/fair.c

@@ -9027,7 +9027,7 @@ void nohz_balance_enter_idle(int cpu)
 		return;
 
 	/* Spare idle load balancing on CPUs that don't want to be disturbed: */
-	if (!is_housekeeping_cpu(cpu))
+	if (!housekeeping_cpu(cpu))
 		return;
 
 	if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))