Lines Matching refs:pos_ratio
145 unsigned long pos_ratio; member
815 long long pos_ratio; in pos_ratio_polynom() local
820 pos_ratio = x; in pos_ratio_polynom()
821 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
822 pos_ratio = pos_ratio * x >> RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
823 pos_ratio += 1 << RATELIMIT_CALC_SHIFT; in pos_ratio_polynom()
825 return clamp(pos_ratio, 0LL, 2LL << RATELIMIT_CALC_SHIFT); in pos_ratio_polynom()
914 long long pos_ratio; /* for scaling up/down the rate limit */ in wb_position_ratio() local
917 dtc->pos_ratio = 0; in wb_position_ratio()
928 pos_ratio = pos_ratio_polynom(setpoint, dtc->dirty, limit); in wb_position_ratio()
959 dtc->pos_ratio = min_t(long long, pos_ratio * 2, in wb_position_ratio()
997 dtc->pos_ratio = min(pos_ratio, wb_pos_ratio); in wb_position_ratio()
1060 pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty), in wb_position_ratio()
1063 pos_ratio /= 4; in wb_position_ratio()
1073 pos_ratio = div_u64(pos_ratio * x_intercept, in wb_position_ratio()
1076 pos_ratio *= 8; in wb_position_ratio()
1079 dtc->pos_ratio = pos_ratio; in wb_position_ratio()
1214 dtc->pos_ratio >> RATELIMIT_CALC_SHIFT; in wb_update_dirty_ratelimit()
1696 if (mdtc->pos_ratio < gdtc->pos_ratio) in balance_dirty_pages()
1712 task_ratelimit = ((u64)dirty_ratelimit * sdtc->pos_ratio) >> in balance_dirty_pages()