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 <[email protected]>
Signed-off-by: Palmer Dabbelt <[email protected]>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index e26e255dce3c12be72ddc8b6d15e16d6427d5a77..78644e29f1fd3f250b4ee408187965c17ebb8f21 100644 (file)
--- 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_HAS_BINFMT_FLAT
        select ARCH_HAS_DEBUG_VM_PGTABLE
        select ARCH_HAS_DEBUG_VIRTUAL if MMU