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Date:   Mon, 10 Jan 2022 00:36:29 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-mm@kvack.org, John Hubbard <jhubbard@nvidia.com>,
        Christoph Hellwig <hch@infradead.org>,
        William Kucharski <william.kucharski@oracle.com>,
        linux-kernel@vger.kernel.org, Jason Gunthorpe <jgg@ziepe.ca>
Subject: Re: [PATCH v2 18/28] hugetlb: Use try_grab_folio() instead of
 try_grab_compound_head()
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References: <20220110042406.499429-1-willy@infradead.org>
 <20220110042406.499429-19-willy@infradead.org>
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On Mon, Jan 10, 2022 at 04:23:56AM +0000, Matthew Wilcox (Oracle) wrote:
> follow_hugetlb_page() only cares about success or failure, so it doesn't
> need to know the type of the returned pointer, only whether it's NULL
> or not.

Looks good,

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