diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 684fa64..349ed12 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -309,6 +309,14 @@ config MATH_EMULATION
 	  unit, which will allow programs that use floating-point
 	  instructions to run.
 
+config TRANSACTIONAL_MEM
+       bool "Transactional Memory support"
+       depends on PPC64
+       depends on SMP
+       default n
+       ---help---
+         Support user-mode Transactional Memory.
+
 config 8XX_MINIMAL_FPEMU
 	bool "Minimal math emulation for 8xx"
 	depends on 8xx && !MATH_EMULATION