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diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -73,15 +73,17 @@
* INVERSE_ESTCPU_WEIGHT is only suitable for statclock() frequencies in
* the range 100-256 Hz (approximately).
*/
-#define ESTCPULIM(e) \
- min((e), INVERSE_ESTCPU_WEIGHT * (NICE_WEIGHT * (PRIO_MAX - PRIO_MIN) - \
- RQ_PPQ) + INVERSE_ESTCPU_WEIGHT - 1)
#ifdef SMP
#define INVERSE_ESTCPU_WEIGHT (8 * smp_cpus)
#else
#define INVERSE_ESTCPU_WEIGHT 8 /* 1 / (priorities per estcpu level). */
#endif
#define NICE_WEIGHT 1 /* Priorities per nice level. */
+#define ESTCPULIM(e) \
+ min((e), INVERSE_ESTCPU_WEIGHT * \
+ (NICE_WEIGHT * (PRIO_MAX - PRIO_MIN) + \
+ PRI_MAX_TIMESHARE - PRI_MIN_TIMESHARE) \
+ + INVERSE_ESTCPU_WEIGHT - 1)
#define TS_NAME_LEN (MAXCOMLEN + sizeof(" td ") + sizeof(__XSTRING(UINT_MAX)))

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