From: Björn Töpel <bjorn@rivosinc.com>

Now that DAX is usable, enable the DAX VMEMMAP optimization as well.

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

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 8a49b5f4c017..1631bf568158 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -73,6 +73,7 @@ config RISCV
 	select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT
 	select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
 	select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL
+	select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
 	select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
 	select ARCH_WANTS_NO_INSTR
 	select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
-- 
2.43.0

On Wed, Jun 5, 2024 at 1:42 PM Björn Töpel <bjorn@kernel.org> wrote:
>
> From: Björn Töpel <bjorn@rivosinc.com>
>
> Now that DAX is usable, enable the DAX VMEMMAP optimization as well.
>
> Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 8a49b5f4c017..1631bf568158 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -73,6 +73,7 @@ config RISCV
>         select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT
>         select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
>         select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL
> +       select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
>         select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
>         select ARCH_WANTS_NO_INSTR
>         select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE
> --
> 2.43.0
>

Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>

Thanks,

Alex