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From: Mel Gorman <mgorman@suse.de>
To: Linux-MM <linux-mm@kvack.org>
Cc: Jiri Slaby <jslaby@suse.cz>,
	Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
	Rik van Riel <riel@redhat.com>,
	Damien Wyart <damien.wyart@gmail.com>,
	Zlatko Calusic <zcalusic@bitsync.net>,
	Johannes Weiner <hannes@cmpxchg.org>,
	dormando <dormando@rydia.net>,
	Satoru Moriya <satoru.moriya@hds.com>,
	Michal Hocko <mhocko@suse.cz>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/8] Reduce system disruption due to kswapd
Date: Fri, 22 Mar 2013 14:37:27 +0000	[thread overview]
Message-ID: <20130322143727.GA578@suse.de> (raw)
In-Reply-To: <1363525456-10448-1-git-send-email-mgorman@suse.de>

On Sun, Mar 17, 2013 at 01:04:06PM +0000, Mel Gorman wrote:
> Kswapd and page reclaim behaviour has been screwy in one way or the other
> for a long time. Very broadly speaking it worked in the far past because
> machines were limited in memory so it did not have that many pages to scan
> and it stalled congestion_wait() frequently to prevent it going completely
> nuts. In recent times it has behaved very unsatisfactorily with some of
> the problems compounded by the removal of stall logic and the introduction
> of transparent hugepage support with high-order reclaims.
> 

With the current set of feedback the series as it currently stands for
me is located here

git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-vmscan-limit-reclaim-v2r7

I haven't tested this version myself yet but others might be interested.

-- 
Mel Gorman
SUSE Labs

  parent reply	other threads:[~2013-03-22 14:37 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-17 13:04 [RFC PATCH 0/8] Reduce system disruption due to kswapd Mel Gorman
2013-03-17 13:04 ` [PATCH 01/10] mm: vmscan: Limit the number of pages kswapd reclaims at each priority Mel Gorman
2013-03-18 23:53   ` Simon Jeons
2013-03-19  9:55     ` Mel Gorman
2013-03-19 10:16       ` Simon Jeons
2013-03-19 10:59         ` Mel Gorman
2013-03-20 16:18   ` Michal Hocko
2013-03-21  0:52     ` Rik van Riel
2013-03-22  0:08       ` Will Huck
2013-03-21  9:47     ` Mel Gorman
2013-03-21 12:59       ` Michal Hocko
2013-03-21  0:51   ` Rik van Riel
2013-03-21 15:57   ` Johannes Weiner
2013-03-21 16:47     ` Mel Gorman
2013-03-22  0:05     ` Will Huck
2013-03-22  3:52       ` Rik van Riel
2013-03-22  3:56         ` Will Huck
2013-03-22  4:59           ` Will Huck
2013-03-22 13:01             ` Rik van Riel
2013-04-05  0:05               ` Will Huck
2013-04-07  7:32                 ` Will Huck
2013-04-07  7:35                 ` Will Huck
2013-04-11  5:54         ` Will Huck
2013-04-11  5:58         ` Will Huck
2013-04-12  5:46           ` Ric Mason
2013-04-12  9:34             ` Mel Gorman
2013-04-12 13:40               ` Rik van Riel
2013-03-25  9:07   ` Michal Hocko
2013-03-25  9:13     ` Jiri Slaby
2013-03-28 22:31       ` Jiri Slaby
2013-03-29  8:22         ` Michal Hocko
2013-03-30 22:07           ` Jiri Slaby
2013-04-02 11:15             ` Mel Gorman
2013-03-17 13:04 ` [PATCH 02/10] mm: vmscan: Obey proportional scanning requirements for kswapd Mel Gorman
2013-03-17 14:39   ` Andi Kleen
2013-03-17 15:08     ` Mel Gorman
2013-03-21  1:10   ` Rik van Riel
2013-03-21  9:54     ` Mel Gorman
2013-03-21 14:01   ` Michal Hocko
2013-03-21 14:31     ` Mel Gorman
2013-03-21 15:07       ` Michal Hocko
2013-03-21 15:34         ` Mel Gorman
2013-03-22  7:54           ` Michal Hocko
2013-03-22  8:37             ` Mel Gorman
2013-03-22 10:04               ` Michal Hocko
2013-03-22 10:47                 ` Michal Hocko
2013-03-21 16:25   ` Johannes Weiner
2013-03-21 18:02     ` Mel Gorman
2013-03-22 16:53       ` Johannes Weiner
2013-03-22 18:25         ` Mel Gorman
2013-03-22 19:09           ` Johannes Weiner
2013-03-22 19:46             ` Mel Gorman
2013-03-17 13:04 ` [PATCH 03/10] mm: vmscan: Flatten kswapd priority loop Mel Gorman
2013-03-17 14:36   ` Andi Kleen
2013-03-17 15:09     ` Mel Gorman
2013-03-18 23:58   ` Simon Jeons
2013-03-19 10:12     ` Mel Gorman
2013-03-19  3:08   ` Simon Jeons
2013-03-19  8:23     ` Michal Hocko
2013-03-19 10:14     ` Mel Gorman
2013-03-19 10:26       ` Simon Jeons
2013-03-19 11:01         ` Mel Gorman
2013-03-21 14:54   ` Michal Hocko
2013-03-21 15:26     ` Mel Gorman
2013-03-21 15:38       ` Michal Hocko
2013-03-17 13:04 ` [PATCH 04/10] mm: vmscan: Decide whether to compact the pgdat based on reclaim progress Mel Gorman
2013-03-18 11:35   ` Hillf Danton
2013-03-19 10:27     ` Mel Gorman
     [not found]   ` <20130318111130.GA7245@hacker.(null)>
2013-03-19 10:19     ` Mel Gorman
2013-03-21 15:32   ` Michal Hocko
2013-03-21 15:47     ` Mel Gorman
2013-03-21 15:50       ` Michal Hocko
2013-03-17 13:04 ` [PATCH 05/10] mm: vmscan: Do not allow kswapd to scan at maximum priority Mel Gorman
2013-03-21  1:20   ` Rik van Riel
2013-03-21 10:12     ` Mel Gorman
2013-03-21 12:30       ` Rik van Riel
2013-03-21 15:48   ` Michal Hocko
2013-03-17 13:04 ` [PATCH 06/10] mm: vmscan: Have kswapd writeback pages based on dirty pages encountered, not priority Mel Gorman
2013-03-17 14:42   ` Andi Kleen
2013-03-17 15:11     ` Mel Gorman
2013-03-21 17:53       ` Rik van Riel
2013-03-21 18:15         ` Mel Gorman
2013-03-21 18:21           ` Rik van Riel
     [not found]   ` <20130318110850.GA7144@hacker.(null)>
2013-03-19 10:35     ` Mel Gorman
2013-03-17 13:04 ` [PATCH 07/10] mm: vmscan: Block kswapd if it is encountering pages under writeback Mel Gorman
2013-03-17 14:49   ` Andi Kleen
2013-03-17 15:19     ` Mel Gorman
2013-03-17 15:40       ` Andi Kleen
2013-03-19 11:06         ` Mel Gorman
2013-03-18 11:37   ` Simon Jeons
2013-03-19 10:57     ` Mel Gorman
     [not found]   ` <20130318115827.GB7245@hacker.(null)>
2013-03-19 10:58     ` Mel Gorman
2013-03-21 16:32   ` [PATCH 07/10 -v2r1] " Michal Hocko
2013-03-21 18:42   ` [PATCH 07/10] " Rik van Riel
2013-03-22  8:27     ` Mel Gorman
2013-03-17 13:04 ` [PATCH 08/10] mm: vmscan: Have kswapd shrink slab only once per priority Mel Gorman
2013-03-17 14:53   ` Andi Kleen
2013-03-21 16:47   ` Michal Hocko
2013-03-21 19:47   ` Rik van Riel
2013-04-09  6:53   ` Joonsoo Kim
2013-04-09  8:41     ` Simon Jeons
2013-04-09 11:13     ` Mel Gorman
2013-04-10  1:07       ` Dave Chinner
2013-04-10  5:23         ` Joonsoo Kim
2013-04-11  9:53         ` Mel Gorman
2013-04-10  5:21       ` Joonsoo Kim
2013-04-11 10:01         ` Mel Gorman
2013-04-11 10:29           ` Ric Mason
2013-03-17 13:04 ` [PATCH 09/10] mm: vmscan: Check if kswapd should writepage " Mel Gorman
2013-03-21 16:58   ` Michal Hocko
2013-03-21 18:07     ` Mel Gorman
2013-03-21 19:52   ` Rik van Riel
2013-03-17 13:04 ` [PATCH 10/10] mm: vmscan: Move logic from balance_pgdat() to kswapd_shrink_zone() Mel Gorman
2013-03-17 14:55   ` Andi Kleen
2013-03-17 15:25     ` Mel Gorman
2013-03-21 17:18   ` Michal Hocko
2013-03-21 18:13     ` Mel Gorman
2013-03-22 14:37 ` Mel Gorman [this message]
2013-03-24 19:00 ` [RFC PATCH 0/8] Reduce system disruption due to kswapd Jiri Slaby
2013-03-25  8:17   ` Michal Hocko

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