linux-kernel - [PATCH] Kconfig: CONFIG_UNEVICTABLE

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Date:	Wed, 13 May 2009 17:30:45 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Minchan Kim <minchan.kim@...il.com>
Cc:	kosaki.motohiro@...fujitsu.com
Subject: [PATCH] Kconfig: CONFIG_UNEVICTABLE_LRU move into EMBEDDED submenu

Subject: [PATCH] Kconfig: CONFIG_UNEVICTABLE_LRU move into EMBEDDED submenu

Almost people always turn on CONFIG_UNEVICTABLE_LRU. this configuration is
used only embedded people.
Thus, moving it into embedded submenu is better.


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@...com>
Cc: Minchan Kim <minchan.kim@...il.com>
---
 init/Kconfig |   12 ++++++++++++
 mm/Kconfig   |   12 ------------
 2 files changed, 12 insertions(+), 12 deletions(-)

Index: b/mm/Kconfig
===================================================================
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -203,18 +203,6 @@ config VIRT_TO_BUS
 	def_bool y
 	depends on !ARCH_NO_VIRT_TO_BUS
 
-config UNEVICTABLE_LRU
-	bool "Add LRU list to track non-evictable pages"
-	default y
-	help
-	  Keeps unevictable pages off of the active and inactive pageout
-	  lists, so kswapd will not waste CPU time or have its balancing
-	  algorithms thrown off by scanning these pages.  Selecting this
-	  will use one page flag and increase the code size a little,
-	  say Y unless you know what you are doing.
-
-	  See Documentation/vm/unevictable-lru.txt for more information.
-
 config HAVE_MLOCK
 	bool
 	default y if MMU=y
Index: b/init/Kconfig
===================================================================
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -954,6 +954,18 @@ config SLUB_DEBUG
 	  SLUB sysfs support. /sys/slab will not exist and there will be
 	  no support for cache validation etc.
 
+config UNEVICTABLE_LRU
+	bool "Add LRU list to track non-evictable pages" if EMBEDDED
+	default y
+	help
+	  Keeps unevictable pages off of the active and inactive pageout
+	  lists, so kswapd will not waste CPU time or have its balancing
+	  algorithms thrown off by scanning these pages.  Selecting this
+	  will use one page flag and increase the code size a little,
+	  say Y unless you know what you are doing.
+
+	  See Documentation/vm/unevictable-lru.txt for more information.
+
 config STRIP_ASM_SYMS
 	bool "Strip assembler-generated symbols during link"
 	default n


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