diff --git a/mm/filemap.c b/mm/filemap.c
index 2e9bcc2..6846a90 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1471,7 +1471,8 @@
 
 	if (VM_SequentialReadHint(vma) ||
 			offset - 1 == (ra->prev_pos >> PAGE_CACHE_SHIFT)) {
-		page_cache_sync_readahead(mapping, ra, file, offset, 1);
+		page_cache_sync_readahead(mapping, ra, file, offset,
+					  ra->ra_pages);
 		return;
 	}