[PATCH v3 7/9] riscv: Enable memory hotplugging for RISC-V

Björn Töpel bjorn at kernel.org
Tue May 21 04:48:28 PDT 2024


From: Björn Töpel <bjorn at rivosinc.com>

Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for
RISC-V.

Signed-off-by: Björn Töpel <bjorn at rivosinc.com>
---
 arch/riscv/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index fe5281398543..2724dc2af29f 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_VMEMMAP && 64BIT && MMU
+	select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
 	select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
 	select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
 	select ARCH_HAS_BINFMT_FLAT
-- 
2.40.1




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