Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > This is like lock_page() but for use by callers who know they have a folio. > Convert __lock_page() to be __folio_lock(). This saves one call to > compound_head() per contended call to lock_page(). > > Saves 455 bytes of text; mostly from improved register allocation and > inlining decisions. __folio_lock is 59 bytes while __lock_page was 79. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> Reviewed-by: David Howells <dhowells@xxxxxxxxxx>
