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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-11-17 14:19:49 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-11-19 10:48:29 +0100 |
| commit | b996544916429946bf4934c1c01a306d1690972c (patch) | |
| tree | f2cfc80193fc59e3af20103158b7984bfeef6a5e /kernel/time/tick-internal.h | |
| parent | 896b969e6732b68ee3c12ae4e1aeddf5db99bc46 (diff) | |
| download | linux-b996544916429946bf4934c1c01a306d1690972c.tar.bz2 | |
tick: Get rid of tick_period
The variable tick_period is initialized to NSEC_PER_TICK / HZ during boot
and never updated again.
If NSEC_PER_TICK is not an integer multiple of HZ this computation is less
accurate than TICK_NSEC which has proper rounding in place.
Aside of the inaccuracy there is no reason for having this variable at
all. It's just a pointless indirection and all usage sites can just use the
TICK_NSEC constant.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201117132006.766643526@linutronix.de
Diffstat (limited to 'kernel/time/tick-internal.h')
| -rw-r--r-- | kernel/time/tick-internal.h | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index 7b2496136729..7a981c9e87a4 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -15,7 +15,6 @@ DECLARE_PER_CPU(struct tick_device, tick_cpu_device); extern ktime_t tick_next_period; -extern ktime_t tick_period; extern int tick_do_timer_cpu __read_mostly; extern void tick_setup_periodic(struct clock_event_device *dev, int broadcast); |