Björn Töpel <bj...@kernel.org> writes: > From: Björn Töpel <bj...@rivosinc.com> > > ZONE_DEVICE pages need DEVMAP PTEs support to function > (ARCH_HAS_PTE_DEVMAP). Claim another RSW (reserved for software) bit > in the PTE for DEVMAP mark, add the corresponding helpers, and enable > ARCH_HAS_PTE_DEVMAP for riscv64.
...and this patch has rv32 build issues. Will fix as well.