diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index efb00ec758058afebb97f912e2bc6f142bbd43ff..e49502acbab401669f4197b005cffcebbf2e8060 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -146,6 +146,10 @@ config GENERIC_ISA_DMA
 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	def_bool y if SPARC64
 
+config PGTABLE_LEVELS
+	default 4 if 64BIT
+	default 3
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"