From: William Lee Irwin III <wli@holomorphy.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrew Morton <akpm@digeo.com>, Dave Hansen <haveblue@us.ibm.com>,
"Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] per-zone kswapd process
Date: Fri, 13 Sep 2002 14:30:42 -0700 [thread overview]
Message-ID: <20020913213042.GD3530@holomorphy.com> (raw)
In-Reply-To: <1031922352.9056.14.camel@irongate.swansea.linux.org.uk>
On Fri, 2002-09-13 at 05:59, William Lee Irwin III wrote:
>> Machines without observable NUMA effects can benefit from it if it's
>> per-zone. It also follows that if there's more than one task doing this,
>> page replacement is less likely to block entirely. Last, but not least,
>> when I devised it, "per-zone" was the theme.
On Fri, Sep 13, 2002 at 02:05:52PM +0100, Alan Cox wrote:
> It will also increase the amount of disk head thrashing surely ?
I doubt it. Writeout isn't really supposed to happen there in 2.4
either, except under duress. OTOH I've not been doing much with this
directly since rmap10c.
Cheers,
Bill
WARNING: multiple messages have this Message-ID (diff)
From: William Lee Irwin III <wli@holomorphy.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrew Morton <akpm@digeo.com>, Dave Hansen <haveblue@us.ibm.com>,
"Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] per-zone kswapd process
Date: Fri, 13 Sep 2002 14:30:42 -0700 [thread overview]
Message-ID: <20020913213042.GD3530@holomorphy.com> (raw)
In-Reply-To: <1031922352.9056.14.camel@irongate.swansea.linux.org.uk>
On Fri, 2002-09-13 at 05:59, William Lee Irwin III wrote:
>> Machines without observable NUMA effects can benefit from it if it's
>> per-zone. It also follows that if there's more than one task doing this,
>> page replacement is less likely to block entirely. Last, but not least,
>> when I devised it, "per-zone" was the theme.
On Fri, Sep 13, 2002 at 02:05:52PM +0100, Alan Cox wrote:
> It will also increase the amount of disk head thrashing surely ?
I doubt it. Writeout isn't really supposed to happen there in 2.4
either, except under duress. OTOH I've not been doing much with this
directly since rmap10c.
Cheers,
Bill
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next prev parent reply other threads:[~2002-09-13 21:31 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-13 3:33 [PATCH] per-zone kswapd process Dave Hansen
2002-09-13 4:06 ` Andrew Morton
2002-09-13 4:06 ` Andrew Morton
2002-09-13 4:59 ` William Lee Irwin III
2002-09-13 4:59 ` William Lee Irwin III
2002-09-13 5:10 ` Martin J. Bligh
2002-09-13 5:10 ` Martin J. Bligh
[not found] ` <3D8232DE.9090000@us.ibm.com>
[not found] ` <3D823702.8E29AB4F@digeo.com>
[not found] ` <3D8251D6.3060704@us.ibm.com>
[not found] ` <3D82566B.EB2939D5@digeo.com>
2002-09-13 22:52 ` [PATCH] per-zone^Wnode " Dave Hansen
2002-09-13 23:24 ` Matthew Dobson
2002-09-13 23:29 ` Matthew Dobson
2002-09-13 23:46 ` William Lee Irwin III
2002-09-14 0:02 ` Andrew Morton
2002-09-14 0:12 ` William Lee Irwin III
2002-09-14 1:19 ` Andrew Morton
2002-09-13 5:46 ` [PATCH] per-zone " Andrew Morton
2002-09-13 5:46 ` Andrew Morton
2002-09-13 5:38 ` Martin J. Bligh
2002-09-13 5:38 ` Martin J. Bligh
2002-09-13 6:03 ` Andrew Morton
2002-09-13 6:03 ` Andrew Morton
2002-09-13 13:05 ` Alan Cox
2002-09-13 13:05 ` Alan Cox
2002-09-13 21:30 ` William Lee Irwin III [this message]
2002-09-13 21:30 ` William Lee Irwin III
2002-09-18 16:07 ` [PATCH] recognize MAP_LOCKED in mmap() call Hubertus Franke
2002-09-18 16:29 ` Andrew Morton
2002-09-18 16:29 ` Andrew Morton
2002-09-16 5:44 ` [PATCH] per-zone kswapd process Daniel Phillips
2002-09-16 5:44 ` Daniel Phillips
2002-09-16 7:46 ` William Lee Irwin III
2002-09-16 7:46 ` William Lee Irwin III
2002-09-16 15:12 ` Rik van Riel
2002-09-16 15:12 ` Rik van Riel
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