183 static unsigned long zone_dirtyable_memory(struct zone *zone)  in zone_dirtyable_memory()  argument
187 	nr_pages = zone_page_state(zone, NR_FREE_PAGES);  in zone_dirtyable_memory()
188 	nr_pages -= min(nr_pages, zone->dirty_balance_reserve);  in zone_dirtyable_memory()
190 	nr_pages += zone_page_state(zone, NR_INACTIVE_FILE);  in zone_dirtyable_memory()
191 	nr_pages += zone_page_state(zone, NR_ACTIVE_FILE);  in zone_dirtyable_memory()
203 		struct zone *z = &NODE_DATA(node)->node_zones[ZONE_HIGHMEM];  in highmem_dirtyable_memory()
298 static unsigned long zone_dirty_limit(struct zone *zone)  in zone_dirty_limit()  argument
300 	unsigned long zone_memory = zone_dirtyable_memory(zone);  in zone_dirty_limit()
323 bool zone_dirty_ok(struct zone *zone)  in zone_dirty_ok()  argument
325 	unsigned long limit = zone_dirty_limit(zone);  in zone_dirty_ok()
327 	return zone_page_state(zone, NR_FILE_DIRTY) +  in zone_dirty_ok()
328 	       zone_page_state(zone, NR_UNSTABLE_NFS) +  in zone_dirty_ok()
329 	       zone_page_state(zone, NR_WRITEBACK) <= limit;  in zone_dirty_ok()