Re: [PATCH v2 6/8] riscv: Enable memory hotplugging for RISC-V

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On Tue, May 14, 2024 at 8:17 PM Björn Töpel <bjorn@xxxxxxxxxx> wrote:
>
> Alexandre Ghiti <alexghiti@xxxxxxxxxxxx> writes:
>
> > On Tue, May 14, 2024 at 4:05 PM Björn Töpel <bjorn@xxxxxxxxxx> wrote:
> >>
> >> From: Björn Töpel <bjorn@xxxxxxxxxxxx>
> >>
> >> Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for
> >> RISC-V.
> >>
> >> Signed-off-by: Björn Töpel <bjorn@xxxxxxxxxxxx>
> >> ---
> >>  arch/riscv/Kconfig | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> >> index 6bec1bce6586..b9398b64bb69 100644
> >> --- a/arch/riscv/Kconfig
> >> +++ b/arch/riscv/Kconfig
> >> @@ -16,6 +16,8 @@ config RISCV
> >>         select ACPI_REDUCED_HARDWARE_ONLY if ACPI
> >>         select ARCH_DMA_DEFAULT_COHERENT
> >>         select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
> >> +       select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM && 64BIT && MMU
> >
> > I think this should be SPARSEMEM_VMEMMAP here.
>
> Hmm, care to elaborate? I thought that was optional.

My bad, I thought VMEMMAP was required in your patchset. Sorry for the noise!





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