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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>
This commit is contained in:
Wei Jiangang 2016-06-29 12:51:50 +08:00 committed by Ingo Molnar
parent c7d6b5a22c
commit 6168f8ed01
1 changed files with 5 additions and 5 deletions
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10
kernel/time/tick-sched.c
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@ -61,7 +61,7 @@ static void tick_do_update_jiffies64(ktime_t now)
if (delta.tv64 < tick_period.tv64)
return;
/* Reevalute with jiffies_lock held */
/* Reevaluate with jiffies_lock held */
write_seqlock(&jiffies_lock);
delta = ktime_sub(now, last_jiffies_update);
@ -117,7 +117,7 @@ static void tick_sched_do_timer(ktime_t now)
/*
* Check if the do_timer duty was dropped. We don't care about
* concurrency: This happens only when the cpu in charge went
* into a long sleep. If two cpus happen to assign themself to
* into a long sleep. If two cpus happen to assign themselves to
* this duty, then the jiffies update is still serialized by
* jiffies_lock.
*/
@ -571,7 +571,7 @@ static ktime_t tick_nohz_start_idle(struct tick_sched *ts)
* @last_update_time: variable to store update time in. Do not update
* counters if NULL.
*
* Return the cummulative idle time (since boot) for a given
* Return the cumulative idle time (since boot) for a given
* CPU, in microseconds.
*
* This time is measured via accounting rather than sampling,
@ -612,7 +612,7 @@ EXPORT_SYMBOL_GPL(get_cpu_idle_time_us);
* @last_update_time: variable to store update time in. Do not update
* counters if NULL.
*
* Return the cummulative iowait time (since boot) for a given
* Return the cumulative iowait time (since boot) for a given
* CPU, in microseconds.
*
* This time is measured via accounting rather than sampling,
@ -733,7 +733,7 @@ static ktime_t tick_nohz_stop_sched_tick(struct tick_sched *ts,
* do_timer() never invoked. Keep track of the fact that it
* was the one which had the do_timer() duty last. If this cpu
* is the one which had the do_timer() duty last, we limit the
* sleep time to the timekeeping max_deferement value.
* sleep time to the timekeeping max_deferment value.
* Otherwise we can sleep as long as we want.
*/
delta = timekeeping_max_deferment();