Mike Rapoport <rppt@xxxxxxxxxxxxx> writes: > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 2d0be82..39877b9 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -143,6 +143,7 @@ config PPC > select ARCH_HAS_UBSAN_SANITIZE_ALL > select ARCH_HAS_ZONE_DEVICE if PPC_BOOK3S_64 > select ARCH_HAVE_NMI_SAFE_CMPXCHG > + select ARCH_KEEP_MEMBLOCK Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> (powerpc) cheers