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Re: kswapd high CPU usage with no swap

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From: Jan Kundrát <jkt@...>
To: Rik van Riel <riel@...>
Cc: <linux-kernel@...>
Subject: Re: kswapd high CPU usage with no swap
Date: Wednesday, September 26, 2007 - 3:27 am

Rik van Riel wrote:

Sorry, I wasn't able to apply it against 2.6.22-gentoo-r3 and vanilla
2.6.22.7; I don't have the "order" member in the "struct scan_control"
and also the bit about "if (sync_writeback =3D=3D PAGEOUT_IO_SYNC &&
may_enter_fs)" was missing so there was no "else" branch to add (and it
seemd pretty significant to me). What version should I patch against?

When this is sorted out, should I keep the previous patch [1] applied as
well?

[1] http://www.redhat.com/archives/nahant-list/2006-March/msg00033.html

Cheers,
-jkt

--=20
cd /local/pub && more beer > /dev/mouth
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Messages in current thread:
kswapd high CPU usage with no swap, Jan Kundrát, (Mon Sep 24, 8:13 pm)
Re: kswapd high CPU usage with no swap, Rik van Riel, (Mon Sep 24, 10:34 pm)
Re: kswapd high CPU usage with no swap, Jan Kundrát, (Tue Sep 25, 6:13 am)
Re: kswapd high CPU usage with no swap, Rik van Riel, (Tue Sep 25, 9:31 pm)
Re: kswapd high CPU usage with no swap, Jan Kundrát, (Wed Sep 26, 3:27 am)
Re: kswapd high CPU usage with no swap, Rik van Riel, (Wed Sep 26, 11:25 am)
Re: kswapd high CPU usage with no swap, Jan Kundrát, (Wed Sep 26, 6:37 pm)