On 15/03/2012 04:14 PM, clipka wrote:

> If the GC was part of the OS, maybe something could be done with page
> faulting.

Indeed. Darren found a paper about this very idea a while back. Some 
guys patched the Linux kernel to do interesting stuff in this direction.

And of course, if GC was in the OS, then you wouldn't have this 
situation of "the GC engine for program X isn't actually using this RAM 
right now, but because it's reserved it from the OS, the GC engine for 
program Y can't use it"...

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