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Subject[PATCH 13/46] kernel: Move prototype declaration to header file kernel/locking/lockdep_internals.h
Move prototype declaration of functions to header file
kernel/locking/lockdep_internals.h because they are used by more than
one file.

This eliminates the following warning in kernel/locking/lockdep.c:
kernel/locking/lockdep.c:2560:6: warning: no previous prototype for ‘trace_hardirqs_on_caller’ [-Wmissing-prototypes]
kernel/locking/lockdep.c:2613:6: warning: no previous prototype for ‘trace_hardirqs_off_caller’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <>
Reviewed-by: Josh Triplett <>
kernel/locking/lockdep_internals.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/kernel/locking/lockdep_internals.h b/kernel/locking/lockdep_internals.h
index 4f560cf..81390ab 100644
--- a/kernel/locking/lockdep_internals.h
+++ b/kernel/locking/lockdep_internals.h
@@ -70,6 +70,9 @@ enum {
extern struct list_head all_lock_classes;
extern struct lock_chain lock_chains[];

+void trace_hardirqs_on_caller(unsigned long ip);
+void trace_hardirqs_off_caller(unsigned long ip);

extern void get_usage_chars(struct lock_class *class,
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