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MFC 258869:

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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.
This commit is contained in:
jhb 2013-12-24 19:01:08 +00:00
parent af9076fcae
commit 4620ae454b
1 changed files with 1 additions and 1 deletions
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2
sys/kern/sched_ule.c
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@ -1533,7 +1533,7 @@ sched_priority(struct thread *td)
pri = SCHED_PRI_MIN;
if (td->td_sched->ts_ticks)
pri += min(SCHED_PRI_TICKS(td->td_sched),
SCHED_PRI_RANGE);
SCHED_PRI_RANGE - 1);
pri += SCHED_PRI_NICE(td->td_proc->p_nice);
KASSERT(pri >= PRI_MIN_BATCH && pri <= PRI_MAX_BATCH,
("sched_priority: invalid priority %d: nice %d, "