From: Wu Fengguang <wfg@mail.ustc.edu.cn>

Enable the adaptive readahead logic by default.

It helps collect more early testers, and is meant to be a -mm only patch.

Signed-off-by: Wu Fengguang <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 mm/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/Kconfig~readahead-turn-on-by-default mm/Kconfig
--- a/mm/Kconfig~readahead-turn-on-by-default
+++ a/mm/Kconfig
@@ -158,7 +158,7 @@ config RESOURCES_64BIT
 #
 config ADAPTIVE_READAHEAD
 	bool "Adaptive file readahead (EXPERIMENTAL)"
-	default n
+	default y
 	depends on EXPERIMENTAL
 	help
 	  Readahead is a technique employed by the kernel in an attempt
_