Date: Mon, 10 Jan 2011 20:48:11 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r217237 - head/sys/kern Message-ID: <201101102048.p0AKmB9r093018@svn.freebsd.org>
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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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