From: Nick Piggin <nickpiggin@yahoo.com.au>
To: ncunningham@linuxmail.org
Cc: Kevin Fenzi <kevin@scrye.com>, Pavel Machek <pavel@ucw.cz>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.9-rc2-mm1 swsusp bug report.
Date: Sat, 25 Sep 2004 22:22:22 +1000 [thread overview]
Message-ID: <415562FE.3080709@yahoo.com.au> (raw)
In-Reply-To: <1096113235.5937.3.camel@desktop.cunninghams>
Nigel Cunningham wrote:
> Hi.
>
> On Sat, 2004-09-25 at 11:45, Kevin Fenzi wrote:
>>What causes memory to be so fragmented?
>
>
> Normal usage; the pattern of pages being freed and allocated inevitably
> leads to fragmentation. The buddy allocator does a good job of
> minimising it, but what is really needed is a run-time defragmenter. I
> saw mention of this recently, but it's probably not that practical to
> implement IMHO.
>
Well, by this stage it looks like memory is already pretty well shrunk
as much as it is going to be, which means that even a pretty capable
defragmenter won't be able to do anything.
next prev parent reply other threads:[~2004-09-25 12:22 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-24 2:19 2.6.9-rc2-mm1 swsusp bug report Kevin Fenzi
2004-09-24 14:37 ` Pavel Machek
2004-09-24 21:09 ` Kevin Fenzi
2004-09-24 23:40 ` Nigel Cunningham
2004-09-25 1:45 ` Kevin Fenzi
2004-09-25 11:53 ` Nigel Cunningham
2004-09-25 12:22 ` Nick Piggin [this message]
2004-09-25 12:56 ` William Lee Irwin III
2004-09-25 13:21 ` Nigel Cunningham
2004-09-25 12:56 ` Nigel Cunningham
2004-09-25 13:38 ` Nick Piggin
2004-09-25 13:03 ` Nigel Cunningham
2004-09-25 15:45 ` Pavel Machek
2004-09-25 22:03 ` Nigel Cunningham
2004-09-26 10:04 ` Pavel Machek
2004-09-26 21:59 ` Nigel Cunningham
2004-09-26 22:43 ` Pavel Machek
2004-09-27 10:12 ` Nigel Cunningham
2004-09-26 16:18 ` Marcelo Tosatti
2004-09-26 18:39 ` Pavel Machek
2004-09-25 10:15 ` Pavel Machek
[not found] <2HO0C-4xh-29@gated-at.bofh.it>
[not found] ` <2I5b2-88s-15@gated-at.bofh.it>
[not found] ` <2I5E5-6h-19@gated-at.bofh.it>
[not found] ` <2I7Zd-1TK-11@gated-at.bofh.it>
2004-09-25 1:05 ` Pascal Schmidt
2004-09-25 10:16 ` Pavel Machek
2004-10-10 18:17 ` Jan Rychter
2004-10-11 13:32 ` Pavel Machek
2004-10-11 14:53 ` Jan Rychter
2004-10-17 19:10 ` Pavel Machek
2004-10-17 21:40 ` Nigel Cunningham
2004-10-11 9:56 ` Stefan Seyfried
2004-10-11 14:59 ` Pavel Machek
2004-10-11 17:18 ` Stefan Seyfried
2004-10-11 19:58 ` Rafael J. Wysocki
2004-10-12 8:55 ` Pavel Machek
2004-10-13 17:29 ` Rafael J. Wysocki
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