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@xxxxxx>
