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

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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.





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