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Message-ID: <81b0412b0808220559w502edf03y7f318d0f3673884@mail.gmail.com>
Date:	Fri, 22 Aug 2008 14:59:43 +0200
From:	"Alex Riesen" <raa.lkml@...il.com>
To:	"Wappler Marcel" <Marcel.Wappler@...dgeco.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Behaviour of the VM on a embedded linux

2008/8/22 Wappler Marcel <Marcel.Wappler@...dgeco.net>:
> I'm trying to figure out whats going on an embedded system I have to
> deal with. It's running a 2.6.24.7 kernel on 32 MBytes of RAM.
> There is no swapping. There are some daemons and shells running and
> - a big monolithic c++ application.
>
> The application runs a lot of pthreads on different real time priority levels.
> It looks like the application consumes  a huge
> ammount of real memory in contrast to the assumption, that large code
> size is no problem due to paging out pages with unused code.

Maybe the kernel wont page anything if the paging support is compiled out.
IOW, you still need paging code even if there is now swap partitions.
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