GC memory fragmentation

[Per Nordlöw]

On Monday, 12 April 2021 at 07:03:02 UTC, Sebastiaan Koppe wrote:
> On side-note, it would also be good if the GC can be aware of 
> the max memory it is allotted so that it knows it needs to do 
> more aggressive collections when nearing it.

I'm surprised there is no such functionality available.
It doesn't sound to me like it's that difficult to implement.