Fix an off-by-one error in r228960. The maximum priority delta provided
by SCHED_PRI_TICKS should be SCHED_PRI_RANGE - 1 so that the resulting priority value (before nice adjustment) is between SCHED_PRI_MIN and SCHED_PRI_MAX, inclusive. Submitted by: kib Reported by: pho MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=258869
@ -1532,7 +1532,7 @@ sched_priority(struct thread *td)
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pri = SCHED_PRI_MIN;
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if (td->td_sched->ts_ticks)
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pri += min(SCHED_PRI_TICKS(td->td_sched),
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SCHED_PRI_RANGE);
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SCHED_PRI_RANGE - 1);
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pri += SCHED_PRI_NICE(td->td_proc->p_nice);
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KASSERT(pri >= PRI_MIN_BATCH && pri <= PRI_MAX_BATCH,
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("sched_priority: invalid priority %d: nice %d, "
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