riscv: Enable DAX VMEMMAP optimization

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

Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240605114100.315918-12-bjorn@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index c7e7e568dd013fcb5c370ff7d9de16e764120e9b..e6d589c47acc57cd94af8826a82390ee67639c3a 100644 (file)
--- 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