[issue26530] tracemalloc: add C API to manually track/untrack memory allocations

[STINNER Victor]

STINNER Victor added the comment:

> So you guarantee tracemalloc itself won't use such a hack for other
purposes? ;-)

As the defacto maintainer of the module, yes, I can guarantee that.

> FWIW, LLVM calls the "domain" "address space", and simply uses an
> integer for it (0 being the default CPU-addressable address space).  You
> can probably restrict yourself to 8-bit address spaces...

I understood that we have the CPU and GPU address spaces. Do you know other address spaces?

I only care of address spaces where two equal pointers point to two different memory blocks.

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<http://bugs.python.org/issue26530>
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