Re: [PATCH] mm/hmm: kconfig split HMM address space mirroring from device memory

[Leon Romanovsky]

On Thu, Apr 11, 2019 at 02:03:26PM -0400, jglisse@xxxxxxxxxx wrote:
> From: Jérôme Glisse <jglisse@xxxxxxxxxx>
>
> To allow building device driver that only care about address space
> mirroring (like RDMA ODP) on platform that do not have all the pre-
> requisite for HMM device memory (like ZONE_DEVICE on ARM) split the
> HMM_MIRROR option dependency from the HMM_DEVICE dependency.
>
> Signed-off-by: Jérôme Glisse <jglisse@xxxxxxxxxx>
> Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
> Cc: John Hubbard <jhubbard@xxxxxxxxxx>
> ---
>  mm/Kconfig | 17 ++++++++++-------
>  1 file changed, 10 insertions(+), 7 deletions(-)
>

Thanks,

It gave me an option simply enable HMM_MIRROR without too much hassle as
it was before and compile your v3 [1].

Tested-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>

[1] https://patchwork.kernel.org/patch/10894281/