A different kind of Walter? :-)

[Sean Kelly]

Lionello Lunesu wrote:
> Walter Bright wrote:
>> David B. Held wrote:
>>> That being said, I think it would be *particularly* clever of you to 
>>> use your start-from-scratch kernel to explore new ideas in 
>>> multi-processing and massive multithreading, but this would imply 
>>> having decent multi-CPU hardware to play with.
>>
>> I'd also like to see better operating system support for garbage 
>> collection - either making gc an operating system service, or 
>> providing hooks to the virtual memory subsystem so the gc can tell 
>> when pages are dirty.
> 
> I wish there were a function like VirtualRealloc that would grow a 
> memory block without EVER having to physically move the data.
> 
> (That doesn't exist in Win32, does it?)

I don't think so.  If you have some data whose logical address range is 
bounded by other data, I don't think it would be possible for it to grow 
without being moved.


Sean