From: Nigel Cunningham <ncunningham@linuxmail.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Bernard Blackham <bernard@blackham.com.au>,
Linux Memory Management <linux-mm@kvack.org>
Subject: Re: Odd kswapd behaviour after suspending in 2.6.11-rc1
Date: Sat, 15 Jan 2005 21:34:14 +1100 [thread overview]
Message-ID: <1105785254.13918.4.camel@desktop.cunninghams> (raw)
In-Reply-To: <41E8ED89.8090306@yahoo.com.au>
Hi Nick and Bernard.
On Sat, 2005-01-15 at 21:16, Nick Piggin wrote:
> OK I think the problem is due to swsusp allocating a very large
> chunk of memory before suspending. After resuming, kswapd is more
> or less in the same state and tries a bit too hard to free things.
I'm not sure about this theory. The normal case will be that all
allocations (maybe one or two order 1 or order 2 allocations if I've
forgotten something) are order 0 and processes are thawed after we've
freed all the memory we were using. Could that still trigger kswapd?
> Thanks for the report... I'll come up with something for you to try
> in the next day or so.
I'm flying to America on Monday, but I'll try to keep up with the
progress in this and do anything I can to help.
Nigel
--
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com
Ph: +61 (2) 6292 8028 Mob: +61 (417) 100 574
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next prev parent reply other threads:[~2005-01-15 10:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-13 6:14 Odd kswapd behaviour after suspending in 2.6.11-rc1 Bernard Blackham
2005-01-13 6:26 ` Nick Piggin
2005-01-13 8:56 ` Bernard Blackham
2005-01-13 10:14 ` Bernard Blackham
2005-01-15 10:16 ` Nick Piggin
2005-01-15 10:34 ` Nigel Cunningham [this message]
2005-01-15 10:40 ` Nick Piggin
2005-01-15 10:48 ` Nigel Cunningham
2005-01-15 11:01 ` Nick Piggin
2005-01-15 11:32 ` Nigel Cunningham
2005-01-15 12:40 ` Bernard Blackham
2005-01-15 12:53 ` Bernard Blackham
2005-01-16 3:55 ` Nick Piggin
2005-01-16 4:36 ` Bernard Blackham
2005-01-16 4:56 ` Nigel Cunningham
2005-01-16 5:02 ` Nick Piggin
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