From: "Huang\, Ying" <ying.huang@linux.intel.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: lkp@01.org, LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>,
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>
Subject: Re: [lkp] [mm, page_alloc] d0164adc89: -100.0% fsmark.app_overhead
Date: Fri, 27 Nov 2015 09:14:52 +0800 [thread overview]
Message-ID: <87oaegmeer.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <20151126132511.GG14880@techsingularity.net> (Mel Gorman's message of "Thu, 26 Nov 2015 13:25:11 +0000")
Hi, Mel,
Mel Gorman <mgorman@techsingularity.net> writes:
> 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?
Sorry the email subject is generated automatically and I forget to
change it to some meaningful stuff before sending out. From the testing
result, we found the commit make the OOM possibility increased from 0%
to 100% on this machine with small memory. I also added proc-vmstat
information data too to help diagnose it.
Best Regards,
Huang, Ying
next prev parent reply other threads:[~2015-11-27 1:14 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-26 0:56 kernel test robot
2015-11-26 13:25 ` Mel Gorman
2015-11-26 15:03 ` Rik van Riel
2015-11-27 1:14 ` Huang, Ying [this message]
2015-11-27 10:06 ` Mel Gorman
2015-11-30 2:14 ` Huang, Ying
2015-11-30 13:02 ` Michal Hocko
2015-12-01 12:23 ` Will Deacon
2015-12-01 14:04 ` Michal Hocko
2015-12-02 11:10 ` Mel Gorman
2015-12-02 11:00 ` Mel Gorman
2015-12-02 12:00 ` Michal Hocko
2015-12-02 14:08 ` Mel Gorman
2015-12-02 14:15 ` Michal Hocko
2015-12-02 14:45 ` Mel Gorman
2015-12-03 8:46 ` Huang, Ying
2015-12-03 10:17 ` Mel Gorman
2015-12-04 1:53 ` Huang, Ying
2015-12-07 16:18 ` Michal Hocko
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