diff --git a/[refs] b/[refs]
index 2be4a6596369..8d7ca0a79199 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a564da3964db3256069190c2ae95069143ac37fb
+refs/heads/master: aed75ff3caafce404d9be7f0c088716375be5279
diff --git a/trunk/mm/readahead.c b/trunk/mm/readahead.c
index 57557e294987..301b36c4a0ce 100644
--- a/trunk/mm/readahead.c
+++ b/trunk/mm/readahead.c
@@ -83,10 +83,10 @@ static unsigned long get_init_ra_size(unsigned long size, unsigned long max)
 {
 	unsigned long newsize = roundup_pow_of_two(size);
 
-	if (newsize <= max / 64)
-		newsize = newsize * newsize;
+	if (newsize <= max / 32)
+		newsize = newsize * 4;
 	else if (newsize <= max / 4)
-		newsize = max / 4;
+		newsize = newsize * 2;
 	else
 		newsize = max;
 	return newsize;