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SubjectRe: [PATCH v5 5/7] mm, hmm: Use devm semantics for hmm_devmem_{add, remove}
On Fri, Sep 14, 2018 at 03:18:38PM +0200, Christoph Hellwig wrote:
> On Wed, Sep 12, 2018 at 07:22:27PM -0700, Dan Williams wrote:
> > devm semantics arrange for resources to be torn down when
> > device-driver-probe fails or when device-driver-release completes.
> > Similar to devm_memremap_pages() there is no need to support an explicit
> > remove operation when the users properly adhere to devm semantics.
> >
> > Note that devm_kzalloc() automatically handles allocating node-local
> > memory.
> >
> > Reviewed-by: Christoph Hellwig <hch@lst.de>
>
> Given that we have no single user of these function I still think we
> should just remove them.

It is in the process of being upstreamed:

https://cgit.freedesktop.org/~glisse/linux/log/?h=nouveau-hmm-v01

and more users are coming for other devices.

Yes it is taking time ... things never goes as planed.

Cheers,
Jérôme

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