| Date | Tue, 6 Apr 2021 14:51:21 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH v6 16/27] mm/filemap: Add unlock_folio |
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On Wed, Mar 31, 2021 at 07:47:17PM +0100, Matthew Wilcox (Oracle) wrote: > Convert unlock_page() to call unlock_folio(). By using a folio we > avoid a call to compound_head(). This shortens the function from 39 > bytes to 25 and removes 4 instructions on x86-64. Because we still > have unlock_page(), it's a net increase of 24 bytes of text for the > kernel as a whole, but any path that uses unlock_folio() will execute > 4 fewer instructions.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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