diff --git a/mm/readahead.c b/mm/readahead.c
index f3d6f9656a3cc83c93420210dd938b8d0b54648e..1ae16522412aee1430f112aa0fdf33e63b0c75ad 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -270,17 +270,15 @@ static unsigned long get_init_ra_size(unsigned long size, unsigned long max)
  *  return it as the new window size.
  */
 static unsigned long get_next_ra_size(struct file_ra_state *ra,
-						unsigned long max)
+				      unsigned long max)
 {
 	unsigned long cur = ra->size;
-	unsigned long newsize;
 
 	if (cur < max / 16)
-		newsize = 4 * cur;
-	else
-		newsize = 2 * cur;
-
-	return min(newsize, max);
+		return 4 * cur;
+	if (cur <= max / 2)
+		return 2 * cur;
+	return max;
 }
 
 /*