James - that's quite new to me:
> ... that when your system has a crash it is
> still capable of writing a core dump to the harddisk.

I understood it hitherto that it's needed for cases when a program needs
more mem than is free and available ?
Or asked the other way round - would any program which uses more RAM
than is available at a moment, be respeonsible care for "swapping" its
parts (or rather for instance, parts of its data) in/out by itself, and
to some own swap file ?

The second part of James' reply is precisely what I hoped for:
> (you) can make a new swap partition with eg fdisk and change
> the entry for swap in /etc/fstab.
Using an (emptied) partition to split off a part would be indeed much
less risky than a real resizeing of the swap _partition_; and much less
worksome, without GB-backups, <g>

-hc
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