linux-kernel - Re: [PATCH v2 12/28] mm: Add folio_put

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Message-ID: <YdvvMcBAQ7USUvlm@infradead.org>
Date:   Mon, 10 Jan 2022 00:32:49 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-mm@...ck.org, John Hubbard <jhubbard@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        William Kucharski <william.kucharski@...cle.com>,
        linux-kernel@...r.kernel.org, Jason Gunthorpe <jgg@...pe.ca>
Subject: Re: [PATCH v2 12/28] mm: Add folio_put_refs()

On Mon, Jan 10, 2022 at 04:23:50AM +0000, Matthew Wilcox (Oracle) wrote:
> This is like folio_put(), but puts N references at once instead of
> just one.  It's like put_page_refs(), but does one atomic operation
> instead of two, and is available to more than just gup.c.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>