"pause" garbage collection in parallel code

[Daniel Murphy via Digitalmars-d]

"Stephan Schiffels"  wrote in message 
news:mzlhbfypcihvyattaukr at forum.dlang.org...

> This doesn't work for me, for some reason. I reserve via 
> GC.reserve(4_000_000_000), ensured that it does return at least that 
> amount, but the Garbage collector will still collect like crazy, long 
> before that reserved memory is exhausted...

That's strange, I must be missing something.  Hopefully one of the GC 
experts can explain why this happens.