linux-kernel - Re: [PATCH] fpga: dfl: afu: use PFN_DOWN() and PFN

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Date:   Mon, 19 Jun 2023 16:05:28 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Peter Colberg <peter.colberg@...el.com>, hao.wu@...el.com,
        yilun.xu@...el.com, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org, aaron.j.grier@...el.com,
        tianfei.zhang@...el.com, russell.h.weight@...el.com,
        matthew.gerlach@...ux.intel.com, marpagan@...hat.com,
        lgoncalv@...hat.com
Subject: Re: [PATCH] fpga: dfl: afu: use PFN_DOWN() and PFN_PHYS() helper
 macros

On Mon, Jun 19, 2023 at 04:54:44PM +0300, Andy Shevchenko wrote:
> On Mon, Jun 19, 2023 at 03:46:29PM +0200, Greg KH wrote:
> > On Fri, Jun 16, 2023 at 06:42:09PM -0400, Peter Colberg wrote:
> > > Replace all shifts by PAGE_SHIFT with PFN_DOWN() and PFN_PHYS() helper
> > > macros to convert between physical addresses and page frame numbers.
> > 
> > Is this a bugfix, or just a cleanup?
> 
> Cleanup.

Great, can the text be worded to say that?  As is, it does not give any
hint either way.

thanks,

greg k-h