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

[Jason Gunthorpe]

On Thu, Jun 13, 2019 at 11:43:25AM +0200, Christoph Hellwig wrote:
> The migrate_vma helper is only used by noveau to migrate device private
> pages around.  Other HMM_MIRROR users like amdgpu or infiniband don't
> need it.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  drivers/gpu/drm/nouveau/Kconfig | 1 +
>  mm/Kconfig                      | 1 -
>  2 files changed, 1 insertion(+), 1 deletion(-)

Yes, the thing that calls migrate_vma() should be the thing that has
the kconfig stuff.

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>

Jason