mm/rmap: Convert make_device_exclusive_range() to use folios

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Move the PageTail check earlier so we can avoid even taking the folio
lock on tail pages.  Otherwise, this is a straightforward use of
folios throughout.

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

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Matthew Wilcox (Oracle) 2022-01-28 16:03:42 -05:00

parent 4b8554c527

commit 0d2514859c

1 changed files with 31 additions and 27 deletions

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mm/rmap.c

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