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-rw-r--r--include/linux/sched/sysctl.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index ca7c8041b894..58941b90ebe4 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -85,6 +85,10 @@ extern unsigned int sysctl_sched_short_sleep;
#endif /* CONFIG_SCHED_HMP */
+#if defined(CONFIG_PREEMPT_TRACER) || defined(CONFIG_IRQSOFF_TRACER)
+extern unsigned int sysctl_preemptoff_tracing_threshold_ns;
+#endif
+
enum sched_tunable_scaling {
SCHED_TUNABLESCALING_NONE,
SCHED_TUNABLESCALING_LOG,