Re: [RFC] Arch option to touch newly allocated pages

Alan Cox
2002-03-06T16:36:40Z

> You say 'at once'. Does UML somehow give pages back to the host when they're
> freed, so the pages that are no longer used by UML can be discarded by the
> host instead of getting swapped?

Doesn't seem to but it looks like madvise might be enough to make that
happen. That BTW is an issue for more than UML - it has a bearing on
running lots of Linux instances on any supervisor/virtualising system
like S/390