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List:       linux-arm-kernel
Subject:    Re: Disabling kswapd
From:       Matthias Welwarsky <mwelwarsky () web ! de>
Date:       2004-06-11 10:37:36
Message-ID: 200406111237.36832.mwelwarsky () web ! de
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On Friday 11 June 2004 11:45, Erik Mouw wrote:
> On Thu, Jun 10, 2004 at 03:20:14PM -0700, Michael Moedt wrote:
> > I noticed a bunch of threads called 'kswapd' running
> > around on my system.  I'm not using any swapspace
> > (this is an embedded, ARM-based system!).
>
> You do, but you don't realise: when you execute /bin/sh and memory
> presure becomes high, the VM system will get rid of pages used by the
> .text segments of the binaries. IOW: it's used as file backed swap. The
> swapspace is for anonymous memory (memory you allocate with malloc()).

Actually, if you see them "Running" (R), this is a good (bad, actually) sign 
that your system is experiencing memory pressure. 

regards,
	matthias

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