linux-kernel - Re: [lkp] [mm, page_alloc] 43993977ba: +88% OOM possibility

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Message-ID: <87si4szrzf.fsf@yhuang-dev.intel.com>
Date:	Fri, 30 Oct 2015 16:21:40 +0800
From:	"Huang\, Ying" <ying.huang@...ux.intel.com>
To:	Michal Hocko <mhocko@...nel.org>
Cc:	Mel Gorman <mgorman@...hsingularity.net>, lkp@...org,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Vitaly Wool <vitalywool@...il.com>,
	David Rientjes <rientjes@...gle.com>,
	Christoph Lameter <cl@...ux.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Vlastimil Babka <vbabka@...e.cz>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [lkp] [mm, page_alloc] 43993977ba: +88% OOM possibility

Michal Hocko <mhocko@...nel.org> writes:

> On Wed 28-10-15 13:36:02, kernel test robot wrote:
>> FYI, we noticed the below changes on
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> commit 43993977baecd838d66ccabc7f682342fc6ff635 ("mm, page_alloc:
>> distinguish between being unable to sleep, unwilling to sleep and
>> avoiding waking kswapd")
>> 
>> We found the OOM possibility increased 88% in a virtual machine with 1G memory.
>
> Could you provide dmesg output from this test?

Sure, Attached.

Best Regards,
Huang, Ying

Download attachment "dmesg.xz" of type "application/x-xz" (32456 bytes)