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nommu: make CONFIG_UNEVICTABLE_LRU available when CONFIG_MMU=n

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Make CONFIG_UNEVICTABLE_LRU available when CONFIG_MMU=n.  There's no logical
reason it shouldn't be available, and it can be used for ramfs.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Greg Ungerer <gerg@snapgear.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Enrik Berkhan <Enrik.Berkhan@ge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2009-03-31 15:23:28 -07:00 committed by Linus Torvalds
parent 33925b25d2
commit 71aa653c6b
1 changed files with 0 additions and 1 deletions
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mm/Kconfig
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@ -206,7 +206,6 @@ config VIRT_TO_BUS
config UNEVICTABLE_LRU config UNEVICTABLE_LRU
bool "Add LRU list to track non-evictable pages" bool "Add LRU list to track non-evictable pages"
default y default y
depends on MMU
help help
Keeps unevictable pages off of the active and inactive pageout Keeps unevictable pages off of the active and inactive pageout
lists, so kswapd will not waste CPU time or have its balancing lists, so kswapd will not waste CPU time or have its balancing