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-rw-r--r--include/linux/cpu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index d6428aaf67e7..3aaa0687e8df 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -111,6 +111,8 @@ static inline void cpu_maps_update_done(void)
#endif /* CONFIG_SMP */
extern struct bus_type cpu_subsys;
+extern int lockdep_is_cpus_held(void);
+
#ifdef CONFIG_HOTPLUG_CPU
extern void cpus_write_lock(void);
extern void cpus_write_unlock(void);