Re: [PATCH 00/12] mm: Remove pXX_devmap page table bit and pfn_t type

Dan Williams
2025-06-05T01:42:40Z

Alistair Popple wrote:
[..]
> Alistair Popple (12):
> mm: Remove PFN_MAP, PFN_SG_CHAIN and PFN_SG_LAST
> mm: Convert pXd_devmap checks to vma_is_dax
> mm/pagewalk: Skip dax pages in pagewalk
> mm: Convert vmf_insert_mixed() from using pte_devmap to pte_special
> mm: Remove remaining uses of PFN_DEV
> mm/gup: Remove pXX_devmap usage from get_user_pages()
> mm: Remove redundant pXd_devmap calls
> mm/khugepaged: Remove redundant pmd_devmap() check
> powerpc: Remove checks for devmap pages and PMDs/PUDs
> mm: Remove devmap related functions and page table bits
> mm: Remove callers of pfn_t functionality
> mm/memremap: Remove unused devmap_managed_key

I am still reviewing the individual patches, but it is passing my tests
so you can add for the series:

Tested-by: Dan Williams <dan.j.williams@intel.com>