linux-kernel - [PATCH] riscv: add support for hugepage migration

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Date:   Tue, 10 Aug 2021 21:51:05 +0800
From:   Chen Wandun <chenwandun@...wei.com>
To:     <paul.walmsley@...ive.com>, <palmer@...belt.com>,
        <aou@...s.berkeley.edu>, <linux-riscv@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <wangkefeng.wang@...wei.com>,
        <guohanjun@...wei.com>
CC:     Chen Wandun <chenwandun@...wei.com>
Subject: [PATCH] riscv: add support for hugepage migration

Generic arch_hugetlb_migration_supported can provide appropriate
support for hugepage migration when enable ARCH_ENABLE_HUGEPAGE_MIGRATION,
so enable it for hugepage migration in riscv.

Signed-off-by: Chen Wandun <chenwandun@...wei.com>
---
 arch/riscv/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 8ce8382748d5..8bfc89589838 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -13,6 +13,7 @@ config 32BIT
 config RISCV
 	def_bool y
 	select ARCH_CLOCKSOURCE_INIT
+	select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
 	select ARCH_STACKWALK
-- 
2.18.0.huawei.25