linux-kernel - Re: [PATCH] mm: alloc_contig_range: demote pages busy message from warn to info

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Message-ID: <xa1tvbmv6qco.fsf@mina86.com>
Date:	Tue, 04 Nov 2014 14:35:19 +0100
From:	Michal Nazarewicz <mina86@...a86.com>
To:	Peter Hurley <peter@...leysoftware.com>,
	Minchan Kim <minchan@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] mm: alloc_contig_range: demote pages busy message from warn to info

On Tue, Nov 04 2014, Peter Hurley <peter@...leysoftware.com> wrote:
> On 11/04/2014 12:43 AM, Minchan Kim wrote:
>> Hello,
>> 
>> On Mon, Nov 03, 2014 at 05:57:53PM +0100, Michal Nazarewicz wrote:
>>> Having test_pages_isolated failure message as a warning confuses
>>> users into thinking that it is more serious than it really is.  In
>>> reality, if called via CMA, allocation will be retried so a single
>>> test_pages_isolated failure does not prevent allocation from
>>> succeeding.
>>>
>>> Demote the warning message to an info message and reformat it such
>>> that the text “failed” does not appear and instead a less worrying
>>> “PFNS busy” is used.
>> 
>> What do you expect from this message? Please describe it so that we can
>> review below message helps your goal.
>
> I expect this message to not show up in logs unless there is a real problem.

So frankly I don't care.  Feel free to send a patch removing the message
all together.  I'll be happy to ack it.

-- 
Best regards,                                         _     _
.o. | Liege of Serenely Enlightened Majesty of      o' \,=./ `o
..o | Computer Science,  Michał “mina86” Nazarewicz    (o o)
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