Re: [PATCH v15 00/11] migrate on fault for device pages

[Christoph Hellwig]

On Thu, Sep 24, 2026 at 09:53:02AM +0300, mpenttil@xxxxxxxxxx wrote:
> Add a new flag to HMM APIs, HMM_PFN_REQ_MIGRATE,
> which tells to prepare for migration also during fault handling.
> For the migrate_vma_setup() call paths, new flags, MIGRATE_VMA_FAULT,
> and MIGRATE_VMA_WRITE are added to tell to add fault handling to migrate.

Who is going to use this?  The series seems to lack an actual user for
it.