4544 	struct memcg_cgwb_frn *frn;  in mem_cgroup_track_foreign_dirty_slowpath()  local
4558 		frn = &memcg->cgwb_frn[i];  in mem_cgroup_track_foreign_dirty_slowpath()
4559 		if (frn->bdi_id == wb->bdi->id &&  in mem_cgroup_track_foreign_dirty_slowpath()
4560 		    frn->memcg_id == wb->memcg_css->id)  in mem_cgroup_track_foreign_dirty_slowpath()
4562 		if (time_before64(frn->at, oldest_at) &&  in mem_cgroup_track_foreign_dirty_slowpath()
4563 		    atomic_read(&frn->done.cnt) == 1) {  in mem_cgroup_track_foreign_dirty_slowpath()
4565 			oldest_at = frn->at;  in mem_cgroup_track_foreign_dirty_slowpath()
4581 		if (time_before64(frn->at, now - update_intv))  in mem_cgroup_track_foreign_dirty_slowpath()
4582 			frn->at = now;  in mem_cgroup_track_foreign_dirty_slowpath()
4585 		frn = &memcg->cgwb_frn[oldest];  in mem_cgroup_track_foreign_dirty_slowpath()
4586 		frn->bdi_id = wb->bdi->id;  in mem_cgroup_track_foreign_dirty_slowpath()
4587 		frn->memcg_id = wb->memcg_css->id;  in mem_cgroup_track_foreign_dirty_slowpath()
4588 		frn->at = now;  in mem_cgroup_track_foreign_dirty_slowpath()
4601 		struct memcg_cgwb_frn *frn = &memcg->cgwb_frn[i];  in mem_cgroup_flush_foreign()  local
4609 		if (time_after64(frn->at, now - intv) &&  in mem_cgroup_flush_foreign()
4610 		    atomic_read(&frn->done.cnt) == 1) {  in mem_cgroup_flush_foreign()
4611 			frn->at = 0;  in mem_cgroup_flush_foreign()
4612 			trace_flush_foreign(wb, frn->bdi_id, frn->memcg_id);  in mem_cgroup_flush_foreign()
4613 			cgroup_writeback_by_id(frn->bdi_id, frn->memcg_id,  in mem_cgroup_flush_foreign()
4615 					       &frn->done);  in mem_cgroup_flush_foreign()