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