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Message-ID: <69304d110604100244l691e0100o21007e4b852b7c42@mail.gmail.com>
Date: Mon, 10 Apr 2006 11:44:18 +0200
From: "Antonio Vargas" <windenntw@gmail.com>
To: "Andrew Morton" <akpm@osdl.org>
Subject: Re: Slow swapon for big (12GB) swap
Cc: "Grzegorz Kulewski" <kangur@polcom.net>, linux-kernel@vger.kernel.org
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	 <20060410004030.5e48be79.akpm@osdl.org>
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On 4/10/06, Andrew Morton <akpm@osdl.org> wrote:
> Grzegorz Kulewski <kangur@polcom.net> wrote:
> >
> > I am using big swap here (as a backing for potentially huge tmpfs). And I
> >  wonder why swapon on such big (like 12GB) swap takes about 7 minutes
> >  (continuous disk IO).
>
> It's a bit quicker here:
>
> vmm:/usr/src/25# mkswap /dev/hda6
> Setting up swapspace version 1, size = 54031826 kB
> vmm:/usr/src/25# time swapon /dev/hda6
> swapon /dev/hda6  0.00s user 0.04s system 74% cpu 0.054 total
>
>
> > Is this expected?
>
> Nope.
>

I'm running swap on a 8G LVM logical volume and /tmp on tmpfs and it
works great (used for compilation & DVD-burning stagning area from
other hosts on the network), with no delays on swapon nor mount.


--
Greetz, Antonio Vargas aka winden of network

http://wind.codepixel.com/
windNOenSPAMntw@gmail.com
thesameasabove@amigascne.org

Every day, every year
you have to work
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