575 static long long pos_ratio_polynom(unsigned long setpoint,  in pos_ratio_polynom()  argument
582 	x = div64_s64(((s64)setpoint - (s64)dirty) << RATELIMIT_CALC_SHIFT,  in pos_ratio_polynom()
583 		      (limit - setpoint) | 1);  in pos_ratio_polynom()
678 	unsigned long setpoint;		/* dirty pages' target balance point */  in bdi_position_ratio()  local
692 	setpoint = (freerun + limit) / 2;  in bdi_position_ratio()
693 	pos_ratio = pos_ratio_polynom(setpoint, dirty, limit);  in bdi_position_ratio()
811 	bdi_setpoint = setpoint * (u64)x >> 16;  in bdi_position_ratio()
961 	unsigned long setpoint = (freerun + limit) / 2;  in bdi_update_dirty_ratelimit()  local
1074 			setpoint = bdi_dirty + 1;  in bdi_update_dirty_ratelimit()
1076 			setpoint = (bdi_thresh +  in bdi_update_dirty_ratelimit()
1080 	if (dirty < setpoint) {  in bdi_update_dirty_ratelimit()