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-rw-r--r--kernel/trace/trace.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 9e15802cca9..7c3f49aad6e 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -604,7 +604,7 @@ extern int trace_selftest_startup_hw_branches(struct tracer *trace,
#endif /* CONFIG_FTRACE_STARTUP_TEST */
extern void *head_page(struct trace_array_cpu *data);
-extern long ns2usecs(cycle_t nsec);
+extern unsigned long long ns2usecs(cycle_t nsec);
extern int
trace_vbprintk(unsigned long ip, const char *fmt, va_list args);
extern int