diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index dea74d7717c0d4bd4aa9ee05f734f83c7907b6f2..bb5e44e4d7c76468d656bdafc010bad598959f18 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -165,6 +165,7 @@ config PPC
 	select BINFMT_ELF
 	select BUILDTIME_TABLE_SORT
 	select CLONE_BACKWARDS
+	select CPUMASK_OFFSTACK			if NR_CPUS >= 8192
 	select DCACHE_WORD_ACCESS		if PPC64 && CPU_LITTLE_ENDIAN
 	select DMA_OPS_BYPASS			if PPC64
 	select DMA_OPS				if PPC64