"Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx> writes: > This patch series implements changes required to support DAX vmemmap > optimization for ppc64. The vmemmap optimization is only enabled with radix MMU > translation and 1GB PUD mapping with 64K page size. The patch series also split > hugetlb vmemmap optimization as a separate Kconfig variable so that > architectures can enable DAX vmemmap optimization without enabling hugetlb > vmemmap optimization. This should enable architectures like arm64 to enable DAX > vmemmap optimization while they can't enable hugetlb vmemmap optimization. More > details of the same are in patch "mm/vmemmap optimization: Split hugetlb and > d > > Aneesh Kumar K.V (16): > powerpc/mm/book3s64: Use pmdp_ptep helper instead of typecasting. > powerpc/book3s64/mm: mmu_vmemmap_psize is used by radix > powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo > powerpc/book3s64/mm: Use PAGE_KERNEL instead of opencoding > powerpc/mm/dax: Fix the condition when checking if altmap vmemap can > cross-boundary > mm/hugepage pud: Allow arch-specific helper function to check huge > page pud support > mm: Change pudp_huge_get_and_clear_full take vm_area_struct as arg > mm/vmemmap: Improve vmemmap_can_optimize and allow architectures to > override > mm/vmemmap: Allow architectures to override how vmemmap optimization > works > mm: Add __HAVE_ARCH_PUD_SAME similar to __HAVE_ARCH_P4D_SAME > mm/huge pud: Use transparent huge pud helpers only with > CONFIG_TRANSPARENT_HUGEPAGE > mm/vmemmap optimization: Split hugetlb and devdax vmemmap optimization > powerpc/book3s64/mm: Enable transparent pud hugepage > powerpc/book3s64/vmemmap: Switch radix to use a different vmemmap > handling function > powerpc/book3s64/radix: Add support for vmemmap optimization for radix > powerpc/book3s64/radix: Remove mmu_vmemmap_psize Gentle ping. Any objections for this series? -aneesh
