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-rw-r--r--kernel/smpboot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index d4abac261779..8eaed9aa9cf0 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -209,6 +209,8 @@ static void smpboot_unpark_thread(struct smp_hotplug_thread *ht, unsigned int cp
{
struct task_struct *tsk = *per_cpu_ptr(ht->store, cpu);
+ if (ht->pre_unpark)
+ ht->pre_unpark(cpu);
kthread_unpark(tsk);
}