From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Con Kolivas <kernel@kolivas.org>
Cc: ck list <ck@vds.kolivas.org>,
linux list <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: 2.6.16-ck3
Date: Sun, 02 Apr 2006 19:37:25 +1000 [thread overview]
Message-ID: <442F9B55.9030809@yahoo.com.au> (raw)
In-Reply-To: <200604021851.39763.kernel@kolivas.org>
Con Kolivas wrote:
> On Sunday 02 April 2006 14:46, Nick Piggin wrote:
>
> Curious. I was under the impression lowmem reserve only did anything if you
> manually set it, and the users reporting on swap prefetch behaviour are not
> the sort of users likely to do so. I'm happy to fix whatever the lowmem
It is enabled by default for over a year.
> reserve bug is but I doubt this bug is making swap prefetch behave better for
> ordinary users. Well, whatever the case is I'll have another look at lowmem
> reserve of course.
>
It would potentially make swap prefetch very happy to swap pages into the
dma zone and the normal zone on highmem systems when the system is
otherwise full of pagecache. So it might easily change behaviour on those
systems.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
next prev parent reply other threads:[~2006-04-02 14:09 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-02 4:01 2.6.16-ck3 Con Kolivas
2006-04-02 4:46 ` 2.6.16-ck3 Nick Piggin
2006-04-02 8:51 ` 2.6.16-ck3 Con Kolivas
2006-04-02 9:37 ` Nick Piggin [this message]
2006-04-02 9:39 ` [ck] 2.6.16-ck3 Con Kolivas
2006-04-02 9:51 ` Nick Piggin
2006-04-03 2:48 ` lowmem_reserve question Con Kolivas
2006-04-03 4:42 ` Mike Galbraith
2006-04-03 4:48 ` Con Kolivas
2006-04-03 4:50 ` [ck] " Con Kolivas
2006-04-03 5:14 ` Mike Galbraith
2006-04-03 5:18 ` Con Kolivas
2006-04-03 5:31 ` Mike Galbraith
2006-04-04 2:35 ` [ck] " Con Kolivas
2006-04-06 1:10 ` [PATCH] mm: limit lowmem_reserve Con Kolivas
2006-04-06 1:29 ` Respin: " Con Kolivas
2006-04-06 2:43 ` Andrew Morton
2006-04-06 2:55 ` Con Kolivas
2006-04-06 2:58 ` Con Kolivas
2006-04-06 3:40 ` Andrew Morton
2006-04-06 4:36 ` Con Kolivas
2006-04-06 4:52 ` Con Kolivas
2006-04-07 6:25 ` Nick Piggin
2006-04-07 9:02 ` Con Kolivas
2006-04-07 12:40 ` Nick Piggin
2006-04-08 0:15 ` Con Kolivas
2006-04-08 0:55 ` Nick Piggin
2006-04-08 1:01 ` Con Kolivas
2006-04-08 1:25 ` Nick Piggin
2006-05-17 14:11 ` Con Kolivas
2006-05-18 7:11 ` Nick Piggin
2006-05-18 7:21 ` Con Kolivas
2006-05-18 7:26 ` Nick Piggin
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