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-rw-r--r--mm/Kconfig9
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index a5b77811fdf2..b53427ad30a3 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -206,7 +206,6 @@ config 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
@@ -214,5 +213,13 @@ config UNEVICTABLE_LRU
will use one page flag and increase the code size a little,
say Y unless you know what you are doing.
+config HAVE_MLOCK
+ bool
+ default y if MMU=y
+
+config HAVE_MLOCKED_PAGE_BIT
+ bool
+ default y if HAVE_MLOCK=y && UNEVICTABLE_LRU=y
+
config MMU_NOTIFIER
bool