On 14.05.24 20:17, Björn Töpel wrote:
Alexandre Ghiti <alexgh...@rivosinc.com> writes:
On Tue, May 14, 2024 at 4:05 PM Björn Töpel <bj...@kernel.org> wrote:
From: Björn Töpel <bj...@rivosinc.com>
Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for
RISC-V.
Signed-off-by: Björn Töpel <bj...@rivosinc.com>
---
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.
There was a discussion at LSF/MM today to maybe require
SPARSEMEM_VMEMMAP for hotplug. Would that work here as well?
--
Cheers,
David / dhildenb
