linux-kernel - Re: [PATCH v12 31/33] mm/filemap: Add folio private

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Message-ID: <20210628124733.iumn4xg5iabojs7a@box.shutemov.name>
Date:   Mon, 28 Jun 2021 15:47:33 +0300
From:   "Kirill A. Shutemov" <kirill@...temov.name>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Vlastimil Babka <vbabka@...e.cz>,
        William Kucharski <william.kucharski@...cle.com>,
        Christoph Hellwig <hch@....de>,
        David Howells <dhowells@...hat.com>
Subject: Re: [PATCH v12 31/33] mm/filemap: Add folio private_2 functions

On Tue, Jun 22, 2021 at 12:41:16PM +0100, Matthew Wilcox (Oracle) wrote:
> end_page_private_2() becomes folio_end_private_2(),
> wait_on_page_private_2() becomes folio_wait_private_2() and
> wait_on_page_private_2_killable() becomes folio_wait_private_2_killable().
> 
> Adjust the fscache equivalents to call page_folio() before calling these
> functions to avoid adding wrappers.  Ends up costing 1 byte of text
> in ceph & netfs, but the core shrinks by three calls to page_folio().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Acked-by: Vlastimil Babka <vbabka@...e.cz>
> Reviewed-by: William Kucharski <william.kucharski@...cle.com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> Reviewed-by: David Howells <dhowells@...hat.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov