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-rw-r--r--kernel/smpboot.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index 9d5f7b04025d..d6c5fc054242 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -15,6 +15,8 @@
#include "smpboot.h"
+#ifdef CONFIG_SMP
+
#ifdef CONFIG_GENERIC_SMP_IDLE_THREAD
/*
* For the hotplug case we keep the task structs around and reuse
@@ -72,6 +74,8 @@ void __init idle_threads_init(void)
}
#endif
+#endif /* #ifdef CONFIG_SMP */
+
static LIST_HEAD(hotplug_threads);
static DEFINE_MUTEX(smpboot_threads_lock);