--- 8d881b0922b23f8758f80d16de2dc0e597e9437f
+++ 35ae52df6b6d851ed0fbd1d84c6d76ec226573c8
@@ -413,7 +413,8 @@ struct request_queue *blk_alloc_queue_no
 	if (!q)
 		return NULL;
 
-	q->backing_dev_info.ra_pages = max_readahead_pages;
+	q->backing_dev_info.ra_pages =
+			(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
 	q->backing_dev_info.state = 0;
 	q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
 	q->backing_dev_info.name = "block";