139 	unsigned long		bg_thresh;	/* dirty background threshold */  member
365 	unsigned long bg_thresh;  in domain_dirty_limits()  local
392 		bg_thresh = DIV_ROUND_UP(bg_bytes, PAGE_SIZE);  in domain_dirty_limits()
394 		bg_thresh = (bg_ratio * available_memory) / 100;  in domain_dirty_limits()
396 	if (bg_thresh >= thresh)  in domain_dirty_limits()
397 		bg_thresh = thresh / 2;  in domain_dirty_limits()
400 		bg_thresh += bg_thresh / 4;  in domain_dirty_limits()
404 	dtc->bg_thresh = bg_thresh;  in domain_dirty_limits()
408 		trace_global_dirty_state(bg_thresh, thresh);  in domain_dirty_limits()
426 	*pbackground = gdtc.bg_thresh;  in global_dirty_limits()
676 					   unsigned long bg_thresh)  in dirty_freerun_ceiling()  argument
678 	return (thresh + bg_thresh) / 2;  in dirty_freerun_ceiling()
867 	unsigned long freerun = dirty_freerun_ceiling(dtc->thresh, dtc->bg_thresh);  in wb_position_ratio()
1152 	unsigned long freerun = dirty_freerun_ceiling(dtc->thresh, dtc->bg_thresh);  in wb_update_dirty_ratelimit()
1491 		div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;  in wb_dirty_limits()
1544 		unsigned long dirty, thresh, bg_thresh;  in balance_dirty_pages()  local
1567 			bg_thresh = gdtc->wb_bg_thresh;  in balance_dirty_pages()
1571 			bg_thresh = gdtc->bg_thresh;  in balance_dirty_pages()
1596 				m_bg_thresh = mdtc->bg_thresh;  in balance_dirty_pages()
1612 		if (dirty <= dirty_freerun_ceiling(thresh, bg_thresh) &&  in balance_dirty_pages()
1698 						  sdtc->bg_thresh,  in balance_dirty_pages()
1727 					  sdtc->bg_thresh,  in balance_dirty_pages()
1785 	if (nr_reclaimable > gdtc->bg_thresh)  in balance_dirty_pages()
1899 	if (gdtc->dirty > gdtc->bg_thresh)  in wb_over_bg_thresh()
1903 	    wb_calc_thresh(gdtc->wb, gdtc->bg_thresh))  in wb_over_bg_thresh()
1914 		if (mdtc->dirty > mdtc->bg_thresh)  in wb_over_bg_thresh()
1918 		    wb_calc_thresh(mdtc->wb, mdtc->bg_thresh))  in wb_over_bg_thresh()