bdi_min_ratio     673 mm/page-writeback.c static unsigned int bdi_min_ratio;
bdi_min_ratio     684 mm/page-writeback.c 		if (bdi_min_ratio + min_ratio < 100) {
bdi_min_ratio     685 mm/page-writeback.c 			bdi_min_ratio += min_ratio;
bdi_min_ratio     778 mm/page-writeback.c 	wb_thresh = (thresh * (100 - bdi_min_ratio)) / 100;