Subject: Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead
To: Mel Gorman <mgorman@techsingularity.net>,
        kernel test robot <ying.huang@linux.intel.com>
References: <87ziy1a89f.fsf@yhuang-dev.intel.com>
 <20151126132511.GG14880@techsingularity.net>
Cc: lkp@01.org, LKML <linux-kernel@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Vitaly Wool <vitalywool@gmail.com>,
        David Rientjes <rientjes@google.com>, Christoph Lameter <cl@linux.com>,
        Johannes Weiner <hannes@cmpxchg.org>, Michal Hocko <mhocko@suse.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        Linus Torvalds <torvalds@linux-foundation.org>
From: Rik van Riel <riel@redhat.com>
Message-ID: <56571F25.5030905@redhat.com>
Date: Thu, 26 Nov 2015 10:03:01 -0500
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On 11/26/2015 08:25 AM, Mel Gorman wrote:
> On Thu, Nov 26, 2015 at 08:56:12AM +0800, kernel test robot wrote:
>> FYI, we noticed the below changes on
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> commit d0164adc89f6bb374d304ffcc375c6d2652fe67d ("mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd")
>>
>> Note: the testing machine is a virtual machine with only 1G memory.
>>
>
> I'm not actually seeing any problem here. Is this a positive report or
> am I missing something obvious?

I've gotten several reports that could be either
positive or negative, but where I am not quite
sure how to interpret the results.

The tool seems to CC the maintainers of the code
that was changed, so I am hoping they will pipe
up when they see a problem.

Of course, that doesn't help in this case :)
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