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-rw-r--r--kernel/sched/smp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/smp.h b/kernel/sched/smp.h
index 9620e323162c..2eb23dd0f285 100644
--- a/kernel/sched/smp.h
+++ b/kernel/sched/smp.h
@@ -7,3 +7,9 @@
extern void sched_ttwu_pending(void *arg);
extern void send_call_function_single_ipi(int cpu);
+
+#ifdef CONFIG_SMP
+extern void flush_smp_call_function_queue(void);
+#else
+static inline void flush_smp_call_function_queue(void) { }
+#endif