Matthew Wilcox (Oracle) 53c36de070 mm: Add kmap_local_folio() ...

This allows us to map a portion of a folio.  Callers can only expect
to access up to the next page boundary.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>

2021-10-18 07:49:38 -04:00

5.4 KiB

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