Re: [PATCH v4 09/23] mm/gup: introduce pin_user_pages*() and FOLL_PIN

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On Tue, Nov 12, 2019 at 08:26:56PM -0800, John Hubbard wrote:
> Introduce pin_user_pages*() variations of get_user_pages*() calls,
> and also pin_longterm_pages*() variations.
> 
> These variants all set FOLL_PIN, which is also introduced, and
> thoroughly documented.
> 
> The pin_longterm*() variants also set FOLL_LONGTERM, in addition
> to FOLL_PIN:
> 
>     pin_user_pages()
>     pin_user_pages_remote()
>     pin_user_pages_fast()
> 
>     pin_longterm_pages()
>     pin_longterm_pages_remote()
>     pin_longterm_pages_fast()

At some point in this conversation I thought we were going to put in "unpin_*"
versions of these.

Is that still in the plans?

Ira

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