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;