mm/hugetlb: Use try_grab_folio() instead of try_grab_compound_head()

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follow_hugetlb_page() only cares about success or failure, so it doesn't
need to know the type of the returned pointer, only whether it's NULL
or not.

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>

...

This commit is contained in:

Matthew Wilcox (Oracle) 2022-01-08 00:15:04 -05:00

parent d8ddc099c6

commit 822951d846

3 changed files with 4 additions and 8 deletions

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3

include/linux/mm.h

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2

mm/gup.c

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7

mm/hugetlb.c

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