Liu Shixin <liushixin2@xxxxxxxxxx> writes: > Since riscv64 has already support SATP_MODE_57 by default, it is time to > support more hugepage-related features. These two patches will enable > HAVE_ARCH_HUGE_VMAP and HAVE_ARCH_HUGE_VMALLOC. > Just a note; The HP support does not require sv57. Pmd/Mega- and pud/gigapages work for sv39 and sv48 as well. > v1->v2: Fix the build error reported by kernel-test. > > Liu Shixin (2): > riscv: Enable HAVE_ARCH_HUGE_VMAP for 64BIT > riscv: Enable HAVE_ARCH_HUGE_VMALLOC for 64BIT > > .../features/vm/huge-vmap/arch-support.txt | 2 +- > arch/riscv/Kconfig | 2 + > arch/riscv/include/asm/vmalloc.h | 18 ++++ > arch/riscv/mm/Makefile | 1 + > arch/riscv/mm/pgtable.c | 83 +++++++++++++++++++ > 5 files changed, 105 insertions(+), 1 deletion(-) > create mode 100644 arch/riscv/mm/pgtable.c > I've taken this series for a spin, and tested huge pud pages via ioremap(), and huge pmd pages via vmalloc_huge() on qemu for sv39, sv48, and sv57. Patch 2 have a spelling error in the commit message: "enbale" vs "enable". Fix up the spelling error in patch 2, and after that feel free to add for the whole series: Reviewed-by: Björn Töpel <bjorn@xxxxxxxxxx> Tested-by: Björn Töpel <bjorn@xxxxxxxxxx> Nice work! Björn
