linux-kernel - Re: [PATCH v10 25/33] mm/filemap: Add folio_end

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Message-ID: <56a498d5-bd75-8725-c6f4-48536e099dfe@suse.cz>
Date:   Tue, 18 May 2021 13:08:24 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        akpm@...ux-foundation.org
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Jeff Layton <jlayton@...nel.org>
Subject: Re: [PATCH v10 25/33] mm/filemap: Add folio_end_writeback

On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
> Add an end_page_writeback() wrapper function for users that are not yet
> converted to folios.
> 
> folio_end_writeback() is less than half the size of end_page_writeback()
> at just 105 bytes compared to 213 bytes, due to removing all the
> compound_head() calls.  The 30 byte wrapper function makes this a net
> saving of 70 bytes.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Acked-by: Jeff Layton <jlayton@...nel.org>


Acked-by: Vlastimil Babka <vbabka@...e.cz>