Re: [PATCH] mm/huge_memory: use folio_dup_file_rmap_pud() in copy_huge_pud()

[David Hildenbrand]

On Fri, 06 Nov 2026 18:05:20 +0100, Konstantin Khorenko wrote:
> copy_huge_pud() adds the child's rmap of a device DAX PUD with
> folio_add_file_rmap_pud(). That helper maps a folio afresh: it updates
> NR_FILE_MAPPED when the folio becomes mapped and mlocks it in a
> VM_LOCKED VMA. Neither applies at fork: the parent keeps the folio mapped
> under the page table lock, and dup_mmap() clears VM_LOCKED in the
> child's VMA.
> 
> [...]

Applied, thanks!

tree: mm/core.git
branch: thp-7.5.misc

Applied patches will appear soon in mm-next, followed by linux-next.

Please report any outstanding bugs that were missed during review, so we
can either drop the patch series or decide how to fix it up.

It is encouraged to provide Acked-bys, Reviewed-bys, and Tested-bys even
though the patches have already been applied. If possible, patch trailers
will be updated.

Note that commit hashes shown below are subject to change due to rebase,
trailer updates or similar. Further, this is not a guarantee that the
patches will go upstream. If in doubt, please check the listed branch.

[1/1] mm/huge_memory: use folio_dup_file_rmap_pud() in copy_huge_pud()
      https://git.kernel.org/mm/core/c/f403b8aa

-- 
Cheers,

David