Re: [PATCH v10 21/33] mm/filemap: Add __folio_lock_async

From: Vlastimil Babka
Date: Tue May 18 2021 - 06:34:34 EST


On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
> There aren't any actual callers of lock_page_async(), so remove it.
> Convert filemap_update_page() to call __folio_lock_async().
>
> __folio_lock_async() is 21 bytes smaller than __lock_page_async(),
> but the real savings come from using a folio in filemap_update_page(),
> shrinking it from 514 bytes to 403 bytes, saving 111 bytes. The text
> shrinks by 132 bytes in total.
>
> 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>