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timers/nohz: Fix several typos
Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: fenghua.yu@intel.com Link: http://lkml.kernel.org/r/1467175910-2966-2-git-send-email-weijg.fnst@cn.fujitsu.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -61,7 +61,7 @@ static void tick_do_update_jiffies64(ktime_t now)
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if (delta.tv64 < tick_period.tv64)
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return;
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/* Reevalute with jiffies_lock held */
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/* Reevaluate with jiffies_lock held */
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write_seqlock(&jiffies_lock);
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delta = ktime_sub(now, last_jiffies_update);
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@ -117,7 +117,7 @@ static void tick_sched_do_timer(ktime_t now)
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/*
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* Check if the do_timer duty was dropped. We don't care about
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* concurrency: This happens only when the cpu in charge went
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* into a long sleep. If two cpus happen to assign themself to
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* into a long sleep. If two cpus happen to assign themselves to
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* this duty, then the jiffies update is still serialized by
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* jiffies_lock.
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*/
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@ -571,7 +571,7 @@ static ktime_t tick_nohz_start_idle(struct tick_sched *ts)
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* @last_update_time: variable to store update time in. Do not update
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* counters if NULL.
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*
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* Return the cummulative idle time (since boot) for a given
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* Return the cumulative idle time (since boot) for a given
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* CPU, in microseconds.
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*
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* This time is measured via accounting rather than sampling,
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@ -612,7 +612,7 @@ EXPORT_SYMBOL_GPL(get_cpu_idle_time_us);
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* @last_update_time: variable to store update time in. Do not update
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* counters if NULL.
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*
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* Return the cummulative iowait time (since boot) for a given
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* Return the cumulative iowait time (since boot) for a given
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* CPU, in microseconds.
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*
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* This time is measured via accounting rather than sampling,
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@ -733,7 +733,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
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* do_timer() never invoked. Keep track of the fact that it
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* was the one which had the do_timer() duty last. If this cpu
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* is the one which had the do_timer() duty last, we limit the
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* sleep time to the timekeeping max_deferement value.
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* sleep time to the timekeeping max_deferment value.
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* Otherwise we can sleep as long as we want.
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*/
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delta = timekeeping_max_deferment();
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