Lines Matching refs:pos_ratio
140 unsigned long pos_ratio; member
801 long long pos_ratio; in pos_ratio_polynom() local
806 pos_ratio = x; in pos_ratio_polynom()
807 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
808 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
809 pos_ratio += 1 << RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
811 return clamp(pos_ratio, 0LL, 2LL << RATELIMIT_CALC_SHIFT); in pos_ratio_polynom()
900 long long pos_ratio; /* for scaling up/down the rate limit */ in wb_position_ratio() local
903 dtc->pos_ratio = 0; in wb_position_ratio()
914 pos_ratio = pos_ratio_polynom(setpoint, dtc->dirty, limit); in wb_position_ratio()
945 dtc->pos_ratio = min_t(long long, pos_ratio * 2, in wb_position_ratio()
983 dtc->pos_ratio = min(pos_ratio, wb_pos_ratio); in wb_position_ratio()
1046 pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty), in wb_position_ratio()
1049 pos_ratio /= 4; in wb_position_ratio()
1059 pos_ratio = div_u64(pos_ratio * x_intercept, in wb_position_ratio()
1062 pos_ratio *= 8; in wb_position_ratio()
1065 dtc->pos_ratio = pos_ratio; in wb_position_ratio()
1200 dtc->pos_ratio >> RATELIMIT_CALC_SHIFT; in wb_update_dirty_ratelimit()
1729 if (mdtc->pos_ratio < gdtc->pos_ratio) in balance_dirty_pages()
1742 task_ratelimit = ((u64)dirty_ratelimit * sdtc->pos_ratio) >> in balance_dirty_pages()