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

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Message-ID: <CALOAHbD1=eZT1DLBoRJHqG0nTSdHkB2TQ2P-aeSRr-fxJvjCrQ@mail.gmail.com>
Date:   Fri, 29 Jan 2021 09:21:23 +0800
From:   Yafang Shao <laoar.shao@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.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 10:50 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> 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.
>

Thanks for the information. I will take a look at it.

-- 
Thanks
Yafang