Lines Matching refs:pos_ratio
146 unsigned long pos_ratio; member
816 long long pos_ratio; in pos_ratio_polynom() local
821 pos_ratio = x; in pos_ratio_polynom()
822 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
823 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
824 pos_ratio += 1 << RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
826 return clamp(pos_ratio, 0LL, 2LL << RATELIMIT_CALC_SHIFT); in pos_ratio_polynom()
915 long long pos_ratio; /* for scaling up/down the rate limit */ in wb_position_ratio() local
918 dtc->pos_ratio = 0; in wb_position_ratio()
929 pos_ratio = pos_ratio_polynom(setpoint, dtc->dirty, limit); in wb_position_ratio()
960 dtc->pos_ratio = min_t(long long, pos_ratio * 2, in wb_position_ratio()
998 dtc->pos_ratio = min(pos_ratio, wb_pos_ratio); in wb_position_ratio()
1061 pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty), in wb_position_ratio()
1064 pos_ratio /= 4; in wb_position_ratio()
1074 pos_ratio = div_u64(pos_ratio * x_intercept, in wb_position_ratio()
1077 pos_ratio *= 8; in wb_position_ratio()
1080 dtc->pos_ratio = pos_ratio; in wb_position_ratio()
1215 dtc->pos_ratio >> RATELIMIT_CALC_SHIFT; in wb_update_dirty_ratelimit()
1699 if (mdtc->pos_ratio < gdtc->pos_ratio) in balance_dirty_pages()
1715 task_ratelimit = ((u64)dirty_ratelimit * sdtc->pos_ratio) >> in balance_dirty_pages()