[PATCH v2 11/14] mm: Remove devmap related functions and page table bits

David Hildenbrand david at redhat.com
Tue Jun 17 19:36:46 AEST 2025


On 16.06.25 13:58, Alistair Popple wrote:
> Now that DAX and all other reference counts to ZONE_DEVICE pages are
> managed normally there is no need for the special devmap PTE/PMD/PUD
> page table bits. So drop all references to these, freeing up a
> software defined page table bit on architectures supporting it.
> 
> Signed-off-by: Alistair Popple <apopple at nvidia.com>
> Acked-by: Will Deacon <will at kernel.org> # arm64
> Suggested-by: Chunyan Zhang <zhang.lyra at gmail.com>
> Reviewed-by: Björn Töpel <bjorn at rivosinc.com>
> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
> ---

Acked-by: David Hildenbrand <david at redhat.com>

-- 
Cheers,

David / dhildenb



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