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-rw-r--r--mm/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 1a501a4de95..5b5790f8a81 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -209,5 +209,16 @@ 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
+ depends on MMU
+ 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.
+
config MMU_NOTIFIER
bool