140 	unsigned long		bg_thresh;	/* dirty background threshold */  member
403 	unsigned long bg_thresh;  in domain_dirty_limits()  local
432 		bg_thresh = DIV_ROUND_UP(bg_bytes, PAGE_SIZE);  in domain_dirty_limits()
434 		bg_thresh = (bg_ratio * available_memory) / PAGE_SIZE;  in domain_dirty_limits()
436 	if (bg_thresh >= thresh)  in domain_dirty_limits()
437 		bg_thresh = thresh / 2;  in domain_dirty_limits()
440 		bg_thresh += bg_thresh / 4 + global_wb_domain.dirty_limit / 32;  in domain_dirty_limits()
444 	dtc->bg_thresh = bg_thresh;  in domain_dirty_limits()
448 		trace_global_dirty_state(bg_thresh, thresh);  in domain_dirty_limits()
466 	*pbackground = gdtc.bg_thresh;  in global_dirty_limits()
717 					   unsigned long bg_thresh)  in dirty_freerun_ceiling()  argument
719 	return (thresh + bg_thresh) / 2;  in dirty_freerun_ceiling()
908 	unsigned long freerun = dirty_freerun_ceiling(dtc->thresh, dtc->bg_thresh);  in wb_position_ratio()
1193 	unsigned long freerun = dirty_freerun_ceiling(dtc->thresh, dtc->bg_thresh);  in wb_update_dirty_ratelimit()
1533 		div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;  in wb_dirty_limits()
1585 		unsigned long dirty, thresh, bg_thresh;  in balance_dirty_pages()  local
1608 			bg_thresh = gdtc->wb_bg_thresh;  in balance_dirty_pages()
1612 			bg_thresh = gdtc->bg_thresh;  in balance_dirty_pages()
1637 				m_bg_thresh = mdtc->bg_thresh;  in balance_dirty_pages()
1653 		if (dirty <= dirty_freerun_ceiling(thresh, bg_thresh) &&  in balance_dirty_pages()
1741 						  sdtc->bg_thresh,  in balance_dirty_pages()
1770 					  sdtc->bg_thresh,  in balance_dirty_pages()
1829 	if (nr_reclaimable > gdtc->bg_thresh)  in balance_dirty_pages()
1945 	if (gdtc->dirty > gdtc->bg_thresh)  in wb_over_bg_thresh()
1949 	    wb_calc_thresh(gdtc->wb, gdtc->bg_thresh))  in wb_over_bg_thresh()
1960 		if (mdtc->dirty > mdtc->bg_thresh)  in wb_over_bg_thresh()
1964 		    wb_calc_thresh(mdtc->wb, mdtc->bg_thresh))  in wb_over_bg_thresh()