diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 33b4afc6a687..a37bdf6cd66f 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1542,6 +1542,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
 	smp_mb();
 	if (dm_table_request_based(t))
 		queue_flag_set_unlocked(QUEUE_FLAG_STACKABLE, q);
+
+	/* io_pages is used for readahead */
+	q->backing_dev_info.io_pages = limits->max_sectors >> (PAGE_SHIFT - 9);
 }
 
 unsigned int dm_table_get_num_targets(struct dm_table *t)