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Date: Thu, 22 May 2014 17:30:51 +0100 From: Mel Gorman <mgorman@...e.de> To: Yuanhan Liu <yuanhan.liu@...ux.intel.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Johannes Weiner <hannes@...xchg.org>, Hugh Dickins <hughd@...gle.com>, Tim Chen <tim.c.chen@...ux.intel.com>, Dave Chinner <david@...morbit.com>, Bob Liu <bob.liu@...cle.com>, Jan Kara <jack@...e.cz>, Rik van Riel <riel@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org>, Linux-MM <linux-mm@...ck.org>, Linux-FSDevel <linux-fsdevel@...r.kernel.org> Subject: Re: [PATCH 0/3] Shrinkers and proportional reclaim On Fri, May 23, 2014 at 12:14:16AM +0800, Yuanhan Liu wrote: > On Thu, May 22, 2014 at 10:09:36AM +0100, Mel Gorman wrote: > > This series is aimed at regressions noticed during reclaim activity. The > > first two patches are shrinker patches that were posted ages ago but never > > merged for reasons that are unclear to me. I'm posting them again to see if > > there was a reason they were dropped or if they just got lost. Dave? Time? > > The last patch adjusts proportional reclaim. Yuanhan Liu, can you retest > > the vm scalability test cases on a larger machine? Hugh, does this work > > for you on the memcg test cases? > > Sure, and here is the result. I applied these 3 patches on v3.15-rc6, > and head commit is 60c10afd. e82e0561 is the old commit that introduced > the regression. The testserver has 512G memory and 120 CPU. > > It's a simple result; if you need more data, I can gather them and send > it to you tomorrow: > > e82e0561 v3.15-rc6 60c10afd > ---------------------------------------- > 18560785 12232122 38868453 > -34% +109 > > As you can see, the performance is back, and it is way much better ;) > Thanks a lot for that and the quick response. It is much appreciated. -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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