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mm: remove CONFIG_UNEVICTABLE_LRU config option

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Currently, nobody wants to turn UNEVICTABLE_LRU off.  Thus this
configurability is unnecessary.

Signed-off-by: KOSAKI Motohiro <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Andi Kleen <[email protected]>
Acked-by: Minchan Kim <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Matt Mackall <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Lee Schermerhorn <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
KOSAKI Motohiro 2009-06-16 15:32:51 -07:00 • committed by Linus Torvalds
commit 6837765963
17 changed files with 3 additions and 153 deletions
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14
mm/Kconfig
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@ -203,25 +203,13 @@ 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
config HAVE_MLOCKED_PAGE_BIT
bool
default y if HAVE_MLOCK=y && UNEVICTABLE_LRU=y
default y if HAVE_MLOCK=y
config MMU_NOTIFIER
bool