Re: [PATCH 17/22] mm: remove hmm_devmem_add

[Jason Gunthorpe]

On Thu, Jun 13, 2019 at 11:43:20AM +0200, Christoph Hellwig wrote:
> There isn't really much value add in the hmm_devmem_add wrapper.  Just
> factor out a little helper to find the resource, and otherwise let the
> driver implement the dev_pagemap_ops directly.

Was this commit message written when other patches were squashed in
here? I think the helper this mentions was from an earlier patch

> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  Documentation/vm/hmm.rst |  26 --------
>  include/linux/hmm.h      | 129 ---------------------------------------
>  mm/hmm.c                 | 115 ----------------------------------
>  3 files changed, 270 deletions(-)

I looked for in-flight patches that might be using these APIs and
found nothing. To be sent patches can use the new API with no loss in
functionality...

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>

Jason