Lines Matching refs:x_intercept
993 * wb_setpoint^ x_intercept^
1008 unsigned long x_intercept;
1110 * x_intercept - wb_dirty
1112 * x_intercept - wb_setpoint
1118 * or equally: x_intercept = wb_setpoint + 8 * write_bw
1155 x_intercept = wb_setpoint + span;
1157 if (dtc->wb_dirty < x_intercept - span / 4) {
1158 pos_ratio = div64_u64(pos_ratio * (x_intercept - dtc->wb_dirty),
1159 (x_intercept - wb_setpoint) | 1);
1168 x_intercept = wb_thresh / 2;
1169 if (dtc->wb_dirty < x_intercept) {
1170 if (dtc->wb_dirty > x_intercept / 8)
1171 pos_ratio = div_u64(pos_ratio * x_intercept,