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-rw-r--r--mm/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index c28d247..7aa02de 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -222,6 +222,9 @@ config SPLIT_PTLOCK_CPUS
default "999999" if !64BIT && GENERIC_LOCKBREAK
default "4"
+config ARCH_ENABLE_SPLIT_PMD_PTLOCK
+ boolean
+
#
# support for memory balloon compaction
config BALLOON_COMPACTION
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