Re: [PATCH v2 09/14] powerpc: Remove checks for devmap pages and PMDs/PUDs

[PATCH v2 00/14] mm: Remove pXX_devmap page table bit and pfn_t type · Alistair Popple <apopple@nvidia.com> · 2025-06-16
[PATCH v2 01/14] mm: Convert pXd_devmap checks to vma_is_dax · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 01/14] mm: Convert pXd_devmap checks to vma_is_dax · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 01/14] mm: Convert pXd_devmap checks to vma_is_dax · Alistair Popple <apopple@nvidia.com> · 2025-06-19
[PATCH v2 02/14] mm: Filter zone device pages returned from folio_walk_start() · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 02/14] mm: Filter zone device pages returned from folio_walk_start() · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 02/14] mm: Filter zone device pages returned from folio_walk_start() · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 02/14] mm: Filter zone device pages returned from folio_walk_start() · Alistair Popple <apopple@nvidia.com> · 2025-06-19
[PATCH v2 03/14] mm: Convert vmf_insert_mixed() from using pte_devmap to pte_special · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 03/14] mm: Convert vmf_insert_mixed() from using pte_devmap to pte_special · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 03/14] mm: Convert vmf_insert_mixed() from using pte_devmap to pte_special · David Hildenbrand <hidden> · 2025-06-18
[PATCH v2 04/14] mm: Remove remaining uses of PFN_DEV · Alistair Popple <apopple@nvidia.com> · 2025-06-16
[PATCH v2 05/14] mm/gup: Remove pXX_devmap usage from get_user_pages() · Alistair Popple <apopple@nvidia.com> · 2025-06-16
[PATCH v2 06/14] mm/huge_memory: Remove pXd_devmap usage from insert_pXd_pfn() · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 06/14] mm/huge_memory: Remove pXd_devmap usage from insert_pXd_pfn() · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 06/14] mm/huge_memory: Remove pXd_devmap usage from insert_pXd_pfn() · Alistair Popple <apopple@nvidia.com> · 2025-06-19
[PATCH v2 07/14] mm: Remove redundant pXd_devmap calls · Alistair Popple <apopple@nvidia.com> · 2025-06-16
[PATCH v2 08/14] mm/khugepaged: Remove redundant pmd_devmap() check · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 08/14] mm/khugepaged: Remove redundant pmd_devmap() check · David Hildenbrand <hidden> · 2025-06-17
Re: [PATCH v2 08/14] mm/khugepaged: Remove redundant pmd_devmap() check · Alistair Popple <apopple@nvidia.com> · 2025-06-19
[PATCH v2 09/14] powerpc: Remove checks for devmap pages and PMDs/PUDs · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 09/14] powerpc: Remove checks for devmap pages and PMDs/PUDs · David Hildenbrand <hidden> · 2025-06-17
[PATCH v2 10/14] fs/dax: Remove FS_DAX_LIMITED config option · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 10/14] fs/dax: Remove FS_DAX_LIMITED config option · David Hildenbrand <hidden> · 2025-06-17
[PATCH v2 11/14] mm: Remove devmap related functions and page table bits · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 11/14] mm: Remove devmap related functions and page table bits · David Hildenbrand <hidden> · 2025-06-17
[PATCH v2 12/14] mm: Remove PFN_MAP, PFN_SPECIAL, PFN_SG_CHAIN and PFN_SG_LAST · Alistair Popple <apopple@nvidia.com> · 2025-06-16
[PATCH v2 14/14] mm/memremap: Remove unused devmap_managed_key · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 14/14] mm/memremap: Remove unused devmap_managed_key · David Hildenbrand <hidden> · 2025-06-17
[PATCH v2 13/14] mm: Remove callers of pfn_t functionality · Alistair Popple <apopple@nvidia.com> · 2025-06-16
Re: [PATCH v2 13/14] mm: Remove callers of pfn_t functionality · David Hildenbrand <hidden> · 2025-06-17

From: David Hildenbrand <hidden>
Date: 2025-06-17 09:37:40
Also in: dri-devel, linux-arm-kernel, linux-cxl, linux-ext4, linux-fsdevel, linux-mm, linux-riscv, linux-xfs, lkml, loongarch, nvdimm

On 16.06.25 13:58, Alistair Popple wrote:

PFN_DEV no longer exists. This means no devmap PMDs or PUDs will be
created, so checking for them is redundant. Instead mappings of pages that
would have previously returned true for pXd_devmap() will return true for
pXd_trans_huge()

Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---

Acked-by: David Hildenbrand <redacted>

-- 
Cheers,

David / dhildenb

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