linux-kernel - Re: [PATCHv2 11/11] dmapool: link blocks across pages

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Message-ID: <Y6XiK/THZio8PuJ7@infradead.org>
Date:   Fri, 23 Dec 2022 09:15:23 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Tony Battersby <tonyb@...ernetics.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Keith Busch <kbusch@...a.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        Kernel Team <kernel-team@...a.com>,
        Keith Busch <kbusch@...nel.org>
Subject: Re: [PATCHv2 11/11] dmapool: link blocks across pages

On Fri, Dec 23, 2022 at 12:08:54PM -0500, Tony Battersby wrote:
> I previously recommended that they should be size_t because they are
> counting the number of objects in the entire pool, which can be greater
> than 2^32.   See patch 4 "dmapool: cleanup integer types".

Oh, ok.

>   However the
> kernel test robot has complained that some of the printk format
> specifiers need to be changed to match the size_t type.

Yes, they do.