filemap: Add filemap_unaccount_folio()

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Replace unaccount_page_cache_page() with filemap_unaccount_folio().
The bug handling path could be a bit more robust (eg taking into account
the mapcounts of tail pages), but it's really never supposed to happen.

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

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Matthew Wilcox (Oracle) 2021-05-08 20:04:05 -04:00

parent a548b61583

commit 621db4880d

2 changed files with 35 additions and 40 deletions

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5

include/linux/pagemap.h

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70

mm/filemap.c

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