1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index c1c8566c6840..dcffad1b47ca 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -191,6 +191,17 @@ config XEN_STUB
 
           To enable Xen features like cpu and memory hotplug, select Y here.
 
+config XEN_ACPI_HOTPLUG_MEMORY
+        tristate "Xen ACPI memory hotplug"
+        depends on XEN_DOM0 && XEN_STUB && ACPI
+        default n
+        help
+          This is Xen ACPI memory hotplug.
+
+          Currently Xen only support ACPI memory hot-add. If you want
+          to hot-add memory at runtime (the hot-added memory cannot be
+          removed until machine stop), select Y/M here, otherwise select N.
+
 config XEN_ACPI_PROCESSOR
         tristate "Xen ACPI processor"
         depends on XEN && X86 && ACPI_PROCESSOR && CPU_FREQ