sfb_max_limit 354 arch/s390/kernel/perf_cpum_sf.c num = min_t(unsigned long, num, sfb_max_limit(hwc) - SFB_ALLOC_REG(hwc)); sfb_max_limit 422 arch/s390/kernel/perf_cpum_sf.c SAMPL_RATE(hwc), freq, n_sdb, sfb_max_limit(hwc),