[PATCH 26/28] readahead: turn on by default

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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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
--- linux-2.6.19-rc5-mm1.orig/mm/Kconfig
+++ linux-2.6.19-rc5-mm1/mm/Kconfig
@@ -168,7 +168,7 @@ config ZONE_DMA_FLAG
 #
 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

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