--- 5eff3ddcacc8b81936b401710d163219847ca423
+++ 0ea427450e573aa127453e4c72f7e3ddd61722ea
@@ -1510,7 +1510,7 @@ void task_dirty_inc(struct task_struct *
 
 /* readahead.c */
 #define VM_MAX_READAHEAD	2048	/* kbytes */
-#define VM_MIN_READAHEAD	64	/* kbytes (includes current page) */
+#define VM_MIN_READAHEAD	128	/* kbytes (includes current page) */
 
 extern unsigned long max_readahead_pages;