linux-kernel - Re: [PATCH v14 021/138] mm/filemap: Add folio_wait

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Message-ID: <YPapTZ3E1s+vd9HD@kernel.org>
Date:   Tue, 20 Jul 2021 13:45:33 +0300
From:   Mike Rapoport <rppt@...nel.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Jeff Layton <jlayton@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        William Kucharski <william.kucharski@...cle.com>,
        David Howells <dhowells@...hat.com>
Subject: Re: [PATCH v14 021/138] mm/filemap: Add folio_wait_locked()

On Thu, Jul 15, 2021 at 04:35:07AM +0100, Matthew Wilcox (Oracle) wrote:
> Also add folio_wait_locked_killable().  Turn wait_on_page_locked() and
> wait_on_page_locked_killable() into wrappers.  This eliminates a call
> to compound_head() from each call-site, reducing text size by 193 bytes
> for me.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Jeff Layton <jlayton@...nel.org>
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Reviewed-by: William Kucharski <william.kucharski@...cle.com>
> Reviewed-by: David Howells <dhowells@...hat.com>
> ---
>  include/linux/pagemap.h | 26 ++++++++++++++++++--------
>  mm/filemap.c            |  4 ++--
>  2 files changed, 20 insertions(+), 10 deletions(-)

Acked-by: Mike Rapoport <rppt@...ux.ibm.com>