Re: Linux 2.4.19-pre3-ac1

[Mike Fedyk]

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.