Re: [Nouveau] [PATCH 22/22] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR

[Christoph Hellwig]

On Thu, Jun 13, 2019 at 06:53:15PM -0700, John Hubbard wrote:
> For those who have out of tree drivers that need migrate_vma(), but are not
> Nouveau, could we pretty please allow a way to select that independently?

No.  The whole point is to not build this fairly big chunk of code in
unless we have a user in the tree.