Author: jhb
Date: Mon Jan 10 20:48:10 2011
New Revision: 217237
URL: http://svn.freebsd.org/changeset/base/217237
Log:
Fix two harmless off-by-one errors.
Reviewed by: jeff
MFC after: 2 weeks
Modified:
head/sys/kern/sched_ule.c
Modified: head/sys/kern/sched_ule.c
==============================================================================
--- head/sys/kern/sched_ule.c Mon Jan 10 20:26:36 2011 (r217236)
+++ head/sys/kern/sched_ule.c Mon Jan 10 20:48:10 2011 (r217237)
@@ -149,7 +149,7 @@ static struct td_sched td_sched0;
#define SCHED_PRI_NHALF (SCHED_PRI_NRESV / 2)
#define SCHED_PRI_MIN (PRI_MIN_TIMESHARE + SCHED_PRI_NHALF)
#define SCHED_PRI_MAX (PRI_MAX_TIMESHARE - SCHED_PRI_NHALF)
-#define SCHED_PRI_RANGE (SCHED_PRI_MAX - SCHED_PRI_MIN)
+#define SCHED_PRI_RANGE (SCHED_PRI_MAX - SCHED_PRI_MIN + 1)
#define SCHED_PRI_TICKS(ts)
\
(SCHED_TICK_HZ((ts)) / \
(roundup(SCHED_TICK_TOTAL((ts)), SCHED_PRI_RANGE) / SCHED_PRI_RANGE))
@@ -1406,8 +1406,8 @@ sched_priority(struct thread *td)
score = imax(0, sched_interact_score(td) + td->td_proc->p_nice);
if (score < sched_interact) {
pri = PRI_MIN_REALTIME;
- pri += ((PRI_MAX_REALTIME - PRI_MIN_REALTIME) / sched_interact)
- * score;
+ pri += ((PRI_MAX_REALTIME - PRI_MIN_REALTIME + 1) /
+ sched_interact) * score;
KASSERT(pri >= PRI_MIN_REALTIME && pri <= PRI_MAX_REALTIME,
("sched_priority: invalid interactive priority %d score %d",
pri, score));
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