linux-kernel - Re: [PATCH 3/3] printk: dump full information of page flags in pGp

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Date:   Thu, 28 Jan 2021 16:50:21 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     David Hildenbrand <david@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Christoph Lameter <cl@...ux.com>, penberg@...nel.org,
        David Rientjes <rientjes@...gle.com>, iamjoonsoo.kim@....com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] printk: dump full information of page flags in pGp

On Thu, Jan 28, 2021 at 09:18:24PM +0800, Yafang Shao wrote:
> On Thu, Jan 28, 2021 at 8:11 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:

...

> Thanks for the explanation.
> I will change it as you suggested.

You are welcome!

Just note, that kasprintf() should work for this as well as for the rest
printf() cases. That's why it's very important to return proper buffer pointer.

Also read `man snprintf(3)` RETURN VALUE section to understand it.

-- 
With Best Regards,
Andy Shevchenko