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-rw-r--r--kernel/events/internal.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index b0b107f90af..a096c19f2c2 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -101,7 +101,8 @@ __output_copy(struct perf_output_handle *handle,
}
/* Callchain handling */
-extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs);
+extern struct perf_callchain_entry *
+perf_callchain(struct perf_event *event, struct pt_regs *regs);
extern int get_callchain_buffers(void);
extern void put_callchain_buffers(void);