Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > Convert rotate_reclaimable_page() to folio_rotate_reclaimable(). This > eliminates all five of the calls to compound_head() in this function, > saving 75 bytes at the cost of adding 15 bytes to its one caller, > end_page_writeback(). We also save 36 bytes from pagevec_move_tail_fn() > due to using folios there. Net 96 bytes savings. > > Also move its declaration to mm/internal.h as it's only used by filemap.c. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Acked-by: Vlastimil Babka <vbabka@xxxxxxx> > Reviewed-by: William Kucharski <william.kucharski@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Reviewed-by: David Howells <dhowells@xxxxxxxxxx>
