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2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/kernel/time/tick-internal.h
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@@ -15,7 +15,6 @@
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 DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
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 extern ktime_t tick_next_period;
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-extern ktime_t tick_period;
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 extern int tick_do_timer_cpu __read_mostly;
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 extern void tick_setup_periodic(struct clock_event_device *dev, int broadcast);