Re: Linux 2.4.19-pre3-ac1

Mike Fedyk (mfedyk@matchmail.com)
Sat, 16 Mar 2002 21:36:24 -0800


On Sat, Mar 16, 2002 at 08:58:11PM +0000, Alan Cox wrote:
> > SwapTotal: 65528 kB
> > SwapFree: 65528 kB
> > Committed_AS: 57252 kB
>
> Ok at this point you have 64Mb of free swap, and at worse (absolutely worst
> pure theory) have 57Mb committed
>
> > LowTotal: 126856 kB
> > SwapTotal: 65528 kB
> > SwapFree: 63324 kB
> > Committed_AS: 226160 kB
>
> So you have 128Mb of RAM, 64Mb of swap, and if all pages are touched you
> would need 226Mb of swap + ram (minus kernel overhead). Looks like the
> machine is hovering on the edge
>

In Other Words (IOW), add more swap like everyone else said.

The rmap design does use a bit more memory (about 400k for 128MB ram) for
the reverse mapping tables, so that could push you over into an OOM case.
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