Symbol: NICE_WEIGHT
sys/kern/sched_bsd.c
510
newprio = min((PUSER + newcpu + NICE_WEIGHT * (nice - NZERO)), MAXPRI);
sys/sys/sched.h
150
#define ESTCPULIM(e) min((e), NICE_WEIGHT * PRIO_MAX - SCHED_PPQ)