mm/gup: Increment the page refcount before the pincount

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We should always increase the refcount before doing anything else to
the page so that other page users see the elevated refcount first.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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This commit is contained in:

Matthew Wilcox (Oracle) 2022-02-04 09:24:26 -05:00

parent d90a25f86d

commit 8ea2979c14

1 changed files with 6 additions and 8 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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mm/gup.c

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