Lines Matching refs:pos_ratio
149 unsigned long pos_ratio; member
813 long long pos_ratio; in pos_ratio_polynom() local
818 pos_ratio = x; in pos_ratio_polynom()
819 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
820 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
821 pos_ratio += 1 << RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
823 return clamp(pos_ratio, 0LL, 2LL << RATELIMIT_CALC_SHIFT); in pos_ratio_polynom()
912 long long pos_ratio; /* for scaling up/down the rate limit */ in wb_position_ratio() local
915 dtc->pos_ratio = 0; in wb_position_ratio()
926 pos_ratio = pos_ratio_polynom(setpoint, dtc->dirty, limit); in wb_position_ratio()
957 dtc->pos_ratio = min_t(long long, pos_ratio * 2, in wb_position_ratio()
995 dtc->pos_ratio = min(pos_ratio, wb_pos_ratio); in wb_position_ratio()
1058 pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty), in wb_position_ratio()
1061 pos_ratio /= 4; in wb_position_ratio()
1071 pos_ratio = div_u64(pos_ratio * x_intercept, in wb_position_ratio()
1074 pos_ratio *= 8; in wb_position_ratio()
1077 dtc->pos_ratio = pos_ratio; in wb_position_ratio()
1212 dtc->pos_ratio >> RATELIMIT_CALC_SHIFT; in wb_update_dirty_ratelimit()
1718 if (mdtc->pos_ratio < gdtc->pos_ratio) in balance_dirty_pages()
1734 task_ratelimit = ((u64)dirty_ratelimit * sdtc->pos_ratio) >> in balance_dirty_pages()