On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote: > This is the folio equivalent of page_mapcount(). > > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Layton <jlayton@xxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
