Matthew Wilcox (Oracle) 536939ff51 mm: Add three folio wrappers ...

folio_is_zone_device() is equivalent to is_zone_device_page(),
folio_is_device_private() is equivalent to is_device_private_page(),
and folio_is_pinnable() is equivalent to is_pinnable_page().

All of these tests return the same result for every page in the folio,
so we can just pass the head page of the folio to the page variant of
the function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

2022-03-21 12:57:38 -04:00

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