mm: Turn page_maybe_dma_pinned() into folio_maybe_dma_pinned()

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Replace three calls to compound_head() with one.  This removes the last
user of compound_pincount(), so remove that helper too.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>

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Matthew Wilcox (Oracle) 2021-12-27 18:40:41 -05:00

parent 3d11b225ae

commit 0b90ddae13

1 changed files with 63 additions and 66 deletions

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129

include/linux/mm.h

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