FPROP_FRAC_BASE 262 lib/flex_proportions.c if (unlikely(max_frac < FPROP_FRAC_BASE)) { FPROP_FRAC_BASE 858 mm/backing-dev.c bdi->max_prop_frac = FPROP_FRAC_BASE; FPROP_FRAC_BASE 708 mm/page-writeback.c bdi->max_prop_frac = (FPROP_FRAC_BASE * max_ratio) / 100;