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From: Mel Gorman <mgorman@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: add per-zone lru list stat
Date: Tue, 19 Jul 2016 17:48:57 +0100	[thread overview]
Message-ID: <20160719164857.GT11400@suse.de> (raw)
In-Reply-To: <1468943433-24805-1-git-send-email-minchan@kernel.org>

On Wed, Jul 20, 2016 at 12:50:32AM +0900, Minchan Kim wrote:
> While I did stress test with hackbench, I got OOM message frequently
> which didn't ever happen in zone-lru.
> 

This one also showed pgdat going unreclaimable early. Have you tried any
of the three oom-related patches I sent to Joonsoo to see what impact,
if any, it had?

-- 
Mel Gorman
SUSE Labs

WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: add per-zone lru list stat
Date: Tue, 19 Jul 2016 17:48:57 +0100	[thread overview]
Message-ID: <20160719164857.GT11400@suse.de> (raw)
In-Reply-To: <1468943433-24805-1-git-send-email-minchan@kernel.org>

On Wed, Jul 20, 2016 at 12:50:32AM +0900, Minchan Kim wrote:
> While I did stress test with hackbench, I got OOM message frequently
> which didn't ever happen in zone-lru.
> 

This one also showed pgdat going unreclaimable early. Have you tried any
of the three oom-related patches I sent to Joonsoo to see what impact,
if any, it had?

-- 
Mel Gorman
SUSE Labs

--
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  parent reply	other threads:[~2016-07-19 16:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-19 15:50 [PATCH 1/2] mm: add per-zone lru list stat Minchan Kim
2016-07-19 15:50 ` Minchan Kim
2016-07-19 15:50 ` [PATCH 2/2] mm: consider per-zone inactive ratio to deactivate Minchan Kim
2016-07-19 15:50   ` Minchan Kim
2016-07-19 16:48 ` Mel Gorman [this message]
2016-07-19 16:48   ` [PATCH 1/2] mm: add per-zone lru list stat Mel Gorman
2016-07-20  0:16   ` Minchan Kim
2016-07-20  0:16     ` Minchan Kim
2016-07-20 10:55     ` Mel Gorman
2016-07-20 10:55       ` Mel Gorman

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