From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: tkhoadfdsaf@hotmail.com (T. A.)
Cc: linux-kernel@vger.kernel.org (Linux Kernel Mailing List)
Subject: Re: Question on the rmap VM
Date: Sun, 3 Mar 2002 13:40:44 +0000 (GMT) [thread overview]
Message-ID: <E16hWEG-0004IT-00@the-village.bc.nu> (raw)
In-Reply-To: <OE50LayI4TY7zD5J47O00005d3d@hotmail.com> from "T. A." at Mar 03, 2002 04:17:31 AM
> I have a question on the rmap VM. What is the swap requierment for it?
> I remember the previous Rik van Riel VM required twice the amount of
> swapspace as memory to run effectively as many people were complaining about
> that. I read a while ago that the switch in 2.4.10 to the new AA VM fixed
> that issue. Will rmap bring back that 2x requirement? Thanks.
That issue was fixed before the VM was changed - its actually a seperate
matter of when the kernel went to the trouble of trying to dig stuff out
of swap.
If you have a 2.4.18-ac2 kernel you can also see the worst case swap
usage requirement at the current moment in /proc/meminfo as
"Committed AS"
Alan
next prev parent reply other threads:[~2002-03-03 13:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-03 9:17 T. A.
2002-03-03 13:40 ` Alan Cox [this message]
2002-03-04 4:52 ` Mike Fedyk
2002-03-03 19:02 ` Rik van Riel
2002-03-04 2:49 ` Mike Fedyk
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