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Date: Fri, 12 May 2023 16:57:35 +0200
From: Björn Töpel <bjorn@...nel.org>
To: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
linux-riscv@...ts.infradead.org
Cc: Björn Töpel <bjorn@...osinc.com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
David Hildenbrand <david@...hat.com>,
Oscar Salvador <osalvador@...e.de>,
virtualization@...ts.linux-foundation.org, linux@...osinc.com,
Alexandre Ghiti <alexghiti@...osinc.com>
Subject: [PATCH 5/7] riscv: Enable memory hot add/remove arch kbuild support
From: Björn Töpel <bjorn@...osinc.com>
Enable ARCH_ENABLE_MEMORY_HOTPLUG and ARCH_ENABLE_MEMORY_HOTREMOVE for
RISC-V.
Signed-off-by: Björn Töpel <bjorn@...osinc.com>
---
arch/riscv/Kconfig | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 348c0fa1fc8c..81b3f188f396 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -14,6 +14,8 @@ config RISCV
def_bool y
select ARCH_DMA_DEFAULT_COHERENT
select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
+ select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM && 64BIT && MMU
+ select ARCH_ENABLE_MEMORY_HOTREMOVE if SPARSEMEM && 64BIT && MMU
select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE
select ARCH_HAS_BINFMT_FLAT
--
2.39.2
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