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workqueue: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE 

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/6d85138180c00ce86975addab6e34b24b84f00a5.1392103744.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Dongsheng Yang 2014-02-11 15:34:52 +08:00 committed by Ingo Molnar
parent c4a4d2f431
commit 144818422b
1 changed files with 1 additions and 1 deletions
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2
kernel/workqueue.c
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@ -3225,7 +3225,7 @@ static ssize_t wq_nice_store(struct device *dev, struct device_attribute *attr,
return -ENOMEM;
if (sscanf(buf, "%d", &attrs->nice) == 1 &&
attrs->nice >= -20 && attrs->nice <= 19)
attrs->nice >= MIN_NICE && attrs->nice <= MAX_NICE)
ret = apply_workqueue_attrs(wq, attrs);
else
ret = -EINVAL;