On 04/04/2017 07:34 PM, Aneesh Kumar K.V wrote: > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > --- > arch/powerpc/platforms/Kconfig.cputype | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/powerpc/platforms/Kconfig.cputype > b/arch/powerpc/platforms/Kconfig.cputype > index 382c3dd86d6d..c0ca27521679 100644 > --- a/arch/powerpc/platforms/Kconfig.cputype > +++ b/arch/powerpc/platforms/Kconfig.cputype > @@ -350,6 +350,11 @@ config PPC_RADIX_MMU > is only implemented by IBM Power9 CPUs, if you don't have one of them > you can probably disable this. > > +config ARCH_ENABLE_HUGEPAGE_MIGRATION > + def_bool y > + depends on PPC_BOOK3S_64 && HUGETLB_PAGE && MIGRATION > +
I have tested this patch series both for anon and file mapping on a POWER8 box with 16MB pages. Will try to test it for 16GB pages on a PVM system.
