On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote: > Move wait_for_stable_page() into the folio compatibility file. > folio_wait_stable() avoids a call to compound_head() and is 14 bytes > smaller than wait_for_stable_page() was. The net text size grows by 24 > bytes as a result of this patch. > > 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> This seems to remove last user of thp_head(). Remove it as obsolete?