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

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Message-ID: <20210628125130.l6refof72f2ami5m@box.shutemov.name>
Date:   Mon, 28 Jun 2021 15:51:30 +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 33/33] mm: Add folio_mapped()

On Tue, Jun 22, 2021 at 12:41:18PM +0100, Matthew Wilcox (Oracle) wrote:
> This function is the equivalent of page_mapped().  It is slightly
> shorter as we do not need to handle the PageTail() case.  Reimplement
> page_mapped() as a wrapper around folio_mapped().  folio_mapped()
> is 13 bytes smaller than page_mapped(), but the page_mapped() wrapper
> is 30 bytes, for a net increase of 17 bytes of text.
> 
> 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