mm: implement split page table lock for PMD level

[linux-drm-fsl-dcu.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index c28d247e524abc9581001fd4c52295570a37d3c6..7aa02def4666006f2da91adf5717dae7db8c3493 100644 (file)
--- 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