| Message ID | 1488754796.2870.112.camel@kernel.crashing.org (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes: > This is especially true of POWER9 where memory between chips is > discontiguous. > > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > --- > > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 4940917..c4b4c55 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -580,7 +580,7 @@ config ARCH_SPARSEMEM_ENABLE > > config ARCH_SPARSEMEM_DEFAULT > def_bool y > - depends on (SMP && PPC_PSERIES) || PPC_PS3 > + depends on (SMP && PPC_PSERIES) || PPC_PS3 || PPC_POWERNV Why don't we just make it default y for BOOK3S_64? It's just the default after all, it can still be changed. cheers
On Mon, 2017-03-06 at 20:41 +1100, Michael Ellerman wrote: > > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > > index 4940917..c4b4c55 100644 > > --- a/arch/powerpc/Kconfig > > +++ b/arch/powerpc/Kconfig > > @@ -580,7 +580,7 @@ config ARCH_SPARSEMEM_ENABLE > > > > config ARCH_SPARSEMEM_DEFAULT > > def_bool y > > - depends on (SMP && PPC_PSERIES) || PPC_PS3 > > + depends on (SMP && PPC_PSERIES) || PPC_PS3 || PPC_POWERNV > > Why don't we just make it default y for BOOK3S_64? > > It's just the default after all, it can still be changed. No objection. Cheers, Ben.
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 4940917..c4b4c55 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -580,7 +580,7 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y - depends on (SMP && PPC_PSERIES) || PPC_PS3 + depends on (SMP && PPC_PSERIES) || PPC_PS3 || PPC_POWERNV config SYS_SUPPORTS_HUGETLBFS bool
This is especially true of POWER9 where memory between chips is discontiguous. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> ---