diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 037664d..5e001ad 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -295,6 +295,7 @@
 config ARCH_SPARSEMEM_ENABLE
 	def_bool y
 	depends on PPC64
+	select SPARSEMEM_VMEMMAP_ENABLE
 
 config ARCH_SPARSEMEM_DEFAULT
 	def_bool y