From: Mel Gorman <mgorman@suse.de>
To: Michal Hocko <mhocko@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jiri Slaby <jslaby@suse.cz>,
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
Rik van Riel <riel@redhat.com>,
Zlatko Calusic <zcalusic@bitsync.net>,
Johannes Weiner <hannes@cmpxchg.org>,
dormando <dormando@rydia.net>,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/9] Reduce system disruption due to kswapd V4
Date: Thu, 16 May 2013 15:11:51 +0100 [thread overview]
Message-ID: <20130516141151.GI11497@suse.de> (raw)
In-Reply-To: <20130516135428.GG13848@dhcp22.suse.cz>
On Thu, May 16, 2013 at 03:54:28PM +0200, Michal Hocko wrote:
> On Thu 16-05-13 11:33:45, Mel Gorman wrote:
> [...]
> > swapin in this case is an indication as to whether we are swap trashing.
> > The closer the swapin/swapout ratio is to 0, the worse the
>
> I guess you meant the ratio is closer to 1 not zero.
Damnit, yes! I was even thinking 1 at the time I was typing. It's not
like the keys are even near each other.
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Michal Hocko <mhocko@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jiri Slaby <jslaby@suse.cz>,
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>,
Rik van Riel <riel@redhat.com>,
Zlatko Calusic <zcalusic@bitsync.net>,
Johannes Weiner <hannes@cmpxchg.org>,
dormando <dormando@rydia.net>,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/9] Reduce system disruption due to kswapd V4
Date: Thu, 16 May 2013 15:11:51 +0100 [thread overview]
Message-ID: <20130516141151.GI11497@suse.de> (raw)
In-Reply-To: <20130516135428.GG13848@dhcp22.suse.cz>
On Thu, May 16, 2013 at 03:54:28PM +0200, Michal Hocko wrote:
> On Thu 16-05-13 11:33:45, Mel Gorman wrote:
> [...]
> > swapin in this case is an indication as to whether we are swap trashing.
> > The closer the swapin/swapout ratio is to 0, the worse the
>
> I guess you meant the ratio is closer to 1 not zero.
Damnit, yes! I was even thinking 1 at the time I was typing. It's not
like the keys are even near each other.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2013-05-16 14:11 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-13 8:12 [PATCH 0/9] Reduce system disruption due to kswapd V4 Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-13 8:12 ` [PATCH 1/9] mm: vmscan: Limit the number of pages kswapd reclaims at each priority Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-13 8:12 ` [PATCH 2/9] mm: vmscan: Obey proportional scanning requirements for kswapd Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 10:21 ` Michal Hocko
2013-05-14 10:21 ` Michal Hocko
2013-05-17 3:41 ` Kamezawa Hiroyuki
2013-05-17 3:41 ` Kamezawa Hiroyuki
2013-05-13 8:12 ` [PATCH 3/9] mm: vmscan: Flatten kswapd priority loop Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 10:38 ` Michal Hocko
2013-05-14 10:38 ` Michal Hocko
2013-05-13 8:12 ` [PATCH 4/9] mm: vmscan: Decide whether to compact the pgdat based on reclaim progress Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 10:51 ` Michal Hocko
2013-05-14 10:51 ` Michal Hocko
2013-05-13 8:12 ` [PATCH 5/9] mm: vmscan: Do not allow kswapd to scan at maximum priority Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-13 8:12 ` [PATCH 6/9] mm: vmscan: Have kswapd writeback pages based on dirty pages encountered, not priority Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 11:25 ` Michal Hocko
2013-05-14 11:25 ` Michal Hocko
2013-05-13 8:12 ` [PATCH 7/9] mm: vmscan: Block kswapd if it is encountering pages under writeback Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 21:06 ` Rik van Riel
2013-05-14 21:06 ` Rik van Riel
2013-05-15 21:39 ` Andrew Morton
2013-05-15 21:39 ` Andrew Morton
2013-05-16 13:07 ` Mel Gorman
2013-05-16 13:07 ` Mel Gorman
2013-05-13 8:12 ` [PATCH 8/9] mm: vmscan: Check if kswapd should writepage once per pgdat scan Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-13 8:12 ` [PATCH 9/9] mm: vmscan: Move logic from balance_pgdat() to kswapd_shrink_zone() Mel Gorman
2013-05-13 8:12 ` Mel Gorman
2013-05-14 12:23 ` Michal Hocko
2013-05-14 12:23 ` Michal Hocko
2013-05-14 21:06 ` Rik van Riel
2013-05-14 21:06 ` Rik van Riel
2013-05-15 20:37 ` [PATCH 0/9] Reduce system disruption due to kswapd V4 Andrew Morton
2013-05-15 20:37 ` Andrew Morton
2013-05-16 10:33 ` Mel Gorman
2013-05-16 10:33 ` Mel Gorman
2013-05-16 13:54 ` Michal Hocko
2013-05-16 13:54 ` Michal Hocko
2013-05-16 14:11 ` Mel Gorman [this message]
2013-05-16 14:11 ` Mel Gorman
2013-05-18 21:15 ` Zlatko Calusic
2013-05-21 23:13 ` Dave Chinner
2013-05-21 23:13 ` Dave Chinner
2013-05-22 8:48 ` Mel Gorman
2013-05-22 8:48 ` Mel Gorman
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