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-rw-r--r--kernel/stop_machine.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 867bc20e1ef1..a3bbaee77c58 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -531,7 +531,7 @@ static int __init cpu_stop_init(void)
}
early_initcall(cpu_stop_init);
-#ifdef CONFIG_STOP_MACHINE
+#if defined(CONFIG_SMP) || defined(CONFIG_HOTPLUG_CPU)
static int __stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus)
{
@@ -631,4 +631,4 @@ int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data,
return ret ?: done.ret;
}
-#endif /* CONFIG_STOP_MACHINE */
+#endif /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */