diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e922a88..e2e9df3 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -618,6 +618,9 @@
 
 	  Say N if you are unsure.
 
+config ARCH_ENABLE_MEMORY_HOTPLUG
+	def_bool y
+
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
 	depends on PPC_MULTIPLATFORM && EXPERIMENTAL