From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages
Date: Sat, 15 Nov 2008 23:54:10 -0800 [thread overview]
Message-ID: <20081115235410.2d2c76de.akpm@linux-foundation.org> (raw)
In-Reply-To: <20081116163915.F208.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Sun, 16 Nov 2008 16:43:10 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> > > Of course, one thing we could do is exempt kswapd from this check.
> > > During light reclaim, kswapd does most of the eviction so scanning
> > > should remain balanced. Having one process fall down to a lower
> > > priority level is also not a big problem.
> > >
> > > As long as the direct reclaim processes do not also fall into the
> > > same trap, the situation should be manageable.
> > >
> > > Does that sound reasonable to you?
> >
> > I'll need to find some time to go dig through the changelogs.
>
> as far as I tried, git database doesn't have that changelogs.
> FWIW, I guess it is more old.
>
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/old-2.6-bkcvs.git
goes back to 2.5.20 (iirc).
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages
Date: Sat, 15 Nov 2008 23:54:10 -0800 [thread overview]
Message-ID: <20081115235410.2d2c76de.akpm@linux-foundation.org> (raw)
In-Reply-To: <20081116163915.F208.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Sun, 16 Nov 2008 16:43:10 +0900 (JST) KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:
> > > Of course, one thing we could do is exempt kswapd from this check.
> > > During light reclaim, kswapd does most of the eviction so scanning
> > > should remain balanced. Having one process fall down to a lower
> > > priority level is also not a big problem.
> > >
> > > As long as the direct reclaim processes do not also fall into the
> > > same trap, the situation should be manageable.
> > >
> > > Does that sound reasonable to you?
> >
> > I'll need to find some time to go dig through the changelogs.
>
> as far as I tried, git database doesn't have that changelogs.
> FWIW, I guess it is more old.
>
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/old-2.6-bkcvs.git
goes back to 2.5.20 (iirc).
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next prev parent reply other threads:[~2008-11-16 7:54 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-13 22:12 [PATCH -mm] vmscan: bail out of page reclaim after swap_cluster_max pages Rik van Riel
2008-11-13 22:12 ` Rik van Riel
2008-11-14 0:51 ` KOSAKI Motohiro
2008-11-14 0:51 ` KOSAKI Motohiro
2008-11-14 3:27 ` Andrew Morton
2008-11-14 3:27 ` Andrew Morton
2008-11-14 14:36 ` Rik van Riel
2008-11-14 14:36 ` Rik van Riel
2008-11-14 17:18 ` Andrew Morton
2008-11-14 17:18 ` Andrew Morton
2008-11-16 7:43 ` KOSAKI Motohiro
2008-11-16 7:43 ` KOSAKI Motohiro
2008-11-16 7:54 ` Andrew Morton [this message]
2008-11-16 7:54 ` Andrew Morton
2008-11-16 7:56 ` KOSAKI Motohiro
2008-11-16 7:56 ` KOSAKI Motohiro
2008-11-16 8:02 ` Andrew Morton
2008-11-16 8:02 ` Andrew Morton
2008-11-22 10:22 ` KOSAKI Motohiro
2008-11-22 10:22 ` KOSAKI Motohiro
2008-11-22 16:57 ` Rik van Riel
2008-11-22 16:57 ` Rik van Riel
2008-11-24 19:12 ` KOSAKI Motohiro
2008-11-24 19:12 ` KOSAKI Motohiro
2008-11-24 19:18 ` Rik van Riel
2008-11-24 19:18 ` Rik van Riel
2008-11-16 7:38 ` KOSAKI Motohiro
2008-11-16 7:38 ` KOSAKI Motohiro
2008-11-17 0:38 ` KAMEZAWA Hiroyuki
2008-11-17 0:38 ` KAMEZAWA Hiroyuki
2008-11-17 3:43 ` Balbir Singh
2008-11-17 3:43 ` Balbir Singh
2008-11-19 16:54 ` Mel Gorman
2008-11-19 16:54 ` Mel Gorman
2008-11-21 11:59 ` Petr Tesarik
2008-11-21 11:59 ` Petr Tesarik
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