Re: [PATCH] mm/gup: Use try_grab_page() instead of try_grab_folio() in gup slow path

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I was complaining that switching from a folio to a page interface
is a retro-step.  But try_grab_page and try_grab_folio actually
both take a strut page argument and do similar but different things.

Yikes!

> -int __must_check try_grab_page(struct page *page, unsigned int flags)
> +int __must_check try_grab_page(struct page *page, int refs, unsigned int flags)

This would now make it a try_grab_pages.  Also please try to avoid
the overly lone lines here and in the external declaration.




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