Re: [PATCH v2 0/2] mm: stop calling pmd_folio() on special PMDs

[Andrew Morton]

On Fri, 11 Sep 2026 23:48:31 -0400 Gregory Price <gourry@xxxxxxxxxx> wrote:

> Reproducer
> ==========
> 
> No hardware needed.  An out of tree module stands in for the drivers above:
> three misc devices, each with a ->huge_fault calling vmf_insert_pfn_pmd(),
> plus VM_HUGEPAGE so the fault path takes the PMD branch.

I take it there's no known way of triggering this in current mainline?