linux-kernel - Re: [PATCH 24/25] mm: remove the HMM config option

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Date:   Thu, 27 Jun 2019 16:29:59 +0000
From:   Jason Gunthorpe <jgg@...lanox.com>
To:     Christoph Hellwig <hch@....de>
CC:     Dan Williams <dan.j.williams@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-nvdimm@...ts.01.org" <linux-nvdimm@...ts.01.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 24/25] mm: remove the HMM config option

On Wed, Jun 26, 2019 at 02:27:23PM +0200, Christoph Hellwig wrote:
> All the mm/hmm.c code is better keyed off HMM_MIRROR.  Also let nouveau
> depend on it instead of the mix of a dummy dependency symbol plus the
> actually selected one.  Drop various odd dependencies, as the code is
> pretty portable.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/gpu/drm/nouveau/Kconfig |  3 +--
>  include/linux/hmm.h             |  5 +----
>  include/linux/mm_types.h        |  2 +-
>  mm/Kconfig                      | 27 ++++-----------------------
>  mm/Makefile                     |  2 +-
>  mm/hmm.c                        |  2 --
>  6 files changed, 8 insertions(+), 33 deletions(-)

Makes more sense to me too

Reviewed-by: Jason Gunthorpe <jgg@...lanox.com>

Jason