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sched/core: Fix comment regarding nr_iowait_cpu() and get_iowait_load()

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The comment related to nr_iowait_cpu() and get_iowait_load() confuses
cpufreq with cpuidle and is not very useful for this reason, so fix it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux PM <linux-pm@vger.kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: e33a9bba85a8 "sched/core: move IO scheduling accounting from io_schedule_timeout() into scheduler"
Link: http://lkml.kernel.org/r/3803514.xkx7zY50tF@aspire.rjw.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Rafael J. Wysocki 2018-10-04 11:05:14 +02:00 committed by Ingo Molnar
parent 4a465e3ebb
commit 9c2298aad3
1 changed files with 4 additions and 4 deletions
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8
kernel/sched/core.c
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@ -2916,10 +2916,10 @@ unsigned long nr_iowait(void)
}
/*
* Consumers of these two interfaces, like for example the cpufreq menu
* governor are using nonsensical data. Boosting frequency for a CPU that has
* IO-wait which might not even end up running the task when it does become
* runnable.
* Consumers of these two interfaces, like for example the cpuidle menu
* governor, are using nonsensical data. Preferring shallow idle state selection
* for a CPU that has IO-wait which might not even end up running the task when
* it does become runnable.
*/
unsigned long nr_iowait_cpu(int cpu)