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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Andrew Morton <akpm@osdl.org>,
	brettspamacct@fastclick.com, Jeff Garzik <jgarzik@pobox.com>,
	Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: ~500 megs cached yet 2.6.5 goes into swap hell
Date: Thu, 29 Apr 2004 16:12:38 +1000	[thread overview]
Message-ID: <1083219158.20089.128.camel@gaston> (raw)
In-Reply-To: <16528.28485.996662.598051@cargo.ozlabs.ibm.com>


> The really strange thing is that the behaviour seems to get worse the
> more RAM you have.  I haven't noticed any problem at all on my laptop
> with 768MB, only on the G5, which has 2.5GB.  (The laptop is still on
> 2.6.2-rc3 though, so I will try a newer kernel on it.)

Your G5 also has a 2Gb IO hole in the middle of zone DMA, it's possible
that the accounting doesn't work properly.

Ben.



  parent reply	other threads:[~2004-04-29  6:20 UTC|newest]

Thread overview: 128+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-28 21:27 ~500 megs cached yet 2.6.5 goes into swap hell Brett E.
2004-04-29  0:01 ` Andrew Morton
2004-04-29  0:10   ` Jeff Garzik
2004-04-29  0:21     ` Nick Piggin
2004-04-29  0:50       ` Wakko Warner
2004-04-29  0:53         ` Jeff Garzik
2004-04-29  0:54         ` Nick Piggin
2004-04-29  1:51           ` Tim Connors
2004-04-29 21:45         ` Denis Vlasenko
2004-04-29  0:58       ` Marc Singer
2004-04-29  3:48         ` Nick Piggin
2004-04-29  4:20           ` Marc Singer
2004-04-29  4:26             ` Nick Piggin
2004-04-29 14:49               ` Marc Singer
2004-04-30  4:08                 ` Nick Piggin
2004-04-30 22:31                   ` Marc Singer
2004-04-29  6:38             ` William Lee Irwin III
2004-04-29  7:36             ` Russell King
2004-04-29 10:44               ` Nick Piggin
2004-04-29 11:04                 ` Russell King
2004-04-29 14:52                   ` Marc Singer
2004-04-29 20:01       ` Horst von Brand
2004-04-29 20:18         ` Martin J. Bligh
2004-04-29 20:33         ` David B. Stevens
2004-04-29 22:42           ` Steve Youngs
2004-04-29 20:36         ` Paul Jackson
2004-04-29 21:19           ` Andrew Morton
2004-04-29 21:34             ` Paul Jackson
2004-04-29 21:57               ` Andrew Morton
2004-04-29 22:18                 ` Paul Jackson
2004-04-30  0:04                 ` Andy Isaacson
2004-04-30  0:32                   ` Andrew Morton
2004-04-30  0:54                     ` Paul Jackson
2004-04-30  5:38                       ` Andy Isaacson
2004-04-30  6:00                         ` Nick Piggin
2004-04-30  7:52                     ` Jeff Garzik
2004-04-30  8:02                       ` Andrew Morton
2004-04-30  8:09                         ` Jeff Garzik
2004-05-06 13:08             ` Pavel Machek
2004-05-07 15:53               ` Hugh Dickins
2004-05-07 16:57                 ` Pavel Machek
2004-05-07 17:30                   ` Timothy Miller
2004-05-07 17:43                     ` Hugh Dickins
2004-05-07 17:48                     ` Mark Frazer
2004-05-12 17:52                   ` Rob Landley
2004-05-17 20:16                     ` Hugh Dickins
2004-04-29 21:38           ` Timothy Miller
2004-04-29 21:47             ` Paul Jackson
2004-04-29 22:18               ` Timothy Miller
2004-04-29 22:46                 ` Paul Jackson
2004-04-29 23:08                   ` Timothy Miller
2004-04-30 12:31                     ` Bart Samwel
2004-04-30 15:35                       ` Clay Haapala
2004-04-30 15:44                         ` Bart Samwel
2004-04-30 22:11                       ` Paul Jackson
2004-04-30  3:37                 ` Tim Connors
2004-04-30  5:15         ` Nick Piggin
2004-04-30  6:20         ` Tim Connors
2004-04-30  6:34           ` Nick Piggin
2004-04-30  7:05             ` Tim Connors
2004-04-30  7:15               ` Nick Piggin
2004-04-30  9:18               ` Re[2]: " vda
2004-04-30  9:33                 ` Arjan van de Ven
2004-04-30 11:33                   ` Denis Vlasenko
2004-04-30 16:19                   ` Timothy Miller
2004-04-29  0:49     ` Brett E.
2004-04-29  1:00       ` Andrew Morton
2004-04-29  1:24         ` Jeff Garzik
2004-04-29  1:40           ` Andrew Morton
2004-04-29  1:47             ` Rik van Riel
2004-04-29 18:14               ` Adam Kropelin
2004-04-30  3:17                 ` Tim Connors
2004-04-29  2:19             ` Tim Connors
2004-04-29 16:24             ` Martin J. Bligh
2004-04-29 16:36               ` Chris Friesen
2004-04-29 16:56                 ` Martin J. Bligh
2004-04-29  1:30         ` Paul Mackerras
2004-04-29  1:31           ` Paul Mackerras
2004-04-29  1:53           ` Andrew Morton
2004-04-29  2:40             ` Andrew Morton
2004-04-29  2:58               ` Paul Mackerras
2004-04-29  3:09                 ` Andrew Morton
2004-04-29  3:14                 ` William Lee Irwin III
2004-04-29  6:12                 ` Benjamin Herrenschmidt [this message]
2004-04-29  6:22                   ` Andrew Morton
2004-04-29  6:25                     ` Benjamin Herrenschmidt
2004-04-29  6:31                   ` William Lee Irwin III
2004-04-29 16:50               ` Martin J. Bligh
2004-04-29  3:57             ` Nick Piggin
2004-04-29 14:29               ` Rik van Riel
2004-04-30  3:00                 ` Nick Piggin
2004-04-30 12:50                   ` Rik van Riel
2004-04-30 13:07                     ` Nick Piggin
2004-04-30 13:18                     ` Nikita Danilov
2004-04-30 13:39                       ` Nick Piggin
2004-04-29  1:46         ` Rik van Riel
2004-04-29  1:57           ` Andrew Morton
2004-04-29  2:29             ` Marc Singer
2004-04-29  2:35               ` Andrew Morton
2004-04-29  3:10                 ` Marc Singer
2004-04-29  3:19                   ` Andrew Morton
2004-04-29  4:13                     ` Marc Singer
2004-04-29  4:33                       ` Andrew Morton
2004-04-29 14:45                         ` Marc Singer
2004-04-29 16:51                     ` Andy Isaacson
2004-04-29 20:42                       ` Andrew Morton
2004-04-29 22:27                         ` Andy Isaacson
2004-04-29 23:19                           ` Andrew Morton
2004-04-30  0:14                       ` Lincoln Dale
2004-04-29  8:02                   ` Wichert Akkerman
2004-04-29 14:25                     ` Marcelo Tosatti
2004-04-29 14:27                       ` Wichert Akkerman
2004-04-29  2:41             ` Rik van Riel
2004-04-29  2:43               ` Andrew Morton
2004-04-29  1:41       ` Tim Connors
2004-04-29  9:43       ` Helge Hafting
2004-04-29 14:48         ` Marc Singer
2004-04-29  0:44   ` Brett E.
2004-04-29  1:13     ` Andrew Morton
2004-04-29  1:29       ` Brett E.
2004-04-29 18:05         ` Brett E.
2004-04-29 18:32           ` William Lee Irwin III
2004-04-29 20:47             ` Brett E.
2004-04-29  0:04 ` Brett E.
2004-04-29  0:13   ` Jeff Garzik
2004-04-29  0:43     ` Nick Piggin
2004-04-29 13:51   ` Horst von Brand
2004-04-29 18:32     ` Brett E.

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