Re: [PATCH v14 008/138] mm: Add folio_get()

From: Mike Rapoport
Date: Tue Jul 20 2021 - 06:46:41 EST


On Thu, Jul 15, 2021 at 04:34:54AM +0100, Matthew Wilcox (Oracle) wrote:
> If we know we have a folio, we can call folio_get() instead
> of get_page() and save the overhead of calling compound_head().
> No change to generated code.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
> Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
> 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>
> ---
> include/linux/mm.h | 26 +++++++++++++++++---------
> 1 file changed, 17 insertions(+), 9 deletions(-)

Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>