diff --git a/mm/readahead.c b/mm/readahead.c
index a224182a3a63c36cbaea10411f1697173e724ca4..bd0f0e88b0a124a2872a349287fb2cf4e36d2f48 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -357,7 +357,7 @@ ondemand_readahead(struct address_space *mapping,
 		   bool hit_readahead_marker, pgoff_t offset,
 		   unsigned long req_size)
 {
-	int	max = ra->ra_pages;	/* max readahead pages */
+	unsigned long max = max_sane_readahead(ra->ra_pages);
 	pgoff_t prev_offset;
 	int	sequential;