Re: removing support for kernel stack swapping

--------
Colin Percival writes:

> > Having something as simple as:
> > 
> > 	0 - free pizza
> > 	1 - dont make it worse
> > 	2 - please help
> > 
>
> I could imagine something similar being useful to userland as well, so that
> e.g. databases know whether they should keep more deserialized pages in RAM
> or free them and hand back memory (at the expense of doing more CPU work
> the next time those pages are needed).

That's actually where I wanted it most, so that phkmalloc could
madvise(DONTNEED) only when the system were in trouble.

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