linux-kernel - Re: [RFC v3 3/4] mm, printk: introduce new format %pGt for page

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Message-ID: <Y6GVbeB8Onzlcb8c@smile.fi.intel.com>
Date:   Tue, 20 Dec 2022 12:58:53 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Hyeonggon Yoo <42.hyeyoo@...il.com>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        HORIGUCHI NAOYA(堀口 直也) 
        <naoya.horiguchi@....com>, Joe Perches <joe@...ches.com>,
        Petr Mladek <pmladek@...e.com>,
        Matthew WilCox <willy@...radead.org>,
        David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC v3 3/4] mm, printk: introduce new format %pGt for page_type

On Mon, Dec 19, 2022 at 11:35:38AM -0800, Randy Dunlap wrote:
> On 12/19/22 01:44, Andy Shevchenko wrote:
> > On Sun, Dec 18, 2022 at 07:19:00PM +0900, Hyeonggon Yoo wrote:

...

> > #define DEF_PAGETYPE_NAME(_name)	{ PG_##_name, __stringify(_name) }
> > ...
> > #undef DEF_PAGETYPE_MASK
> > 
> > In this case it decreases the chances of typo in the strings and flags.
> 
> I'd say Yes.  (and #undef DEF_PAGETYPE_NAME methinks; or change both to _MASK)

Ah, it's me who used two different names for the same macro :-)

-- 
With Best Regards,
Andy Shevchenko