Re: x86 question: Can a process have > 3GB memory?

Rik van Riel (riel@conectiva.com.br)
Tue, 7 May 2002 21:56:28 -0300 (BRT)


On Tue, 7 May 2002, Gerrit Huizenga wrote:

> Hey Cliff, we are planning to implement virtwin() if you remember that
> from PTX. AWE on NT was derived from the same work. There should soon
> be some discussion about it on lse-tech@lists.sourceforge.net or I can
> give you some more data...

Please implement it in userspace, using large POSIX shared memory
segments and mmaping / munmapping them as needed.

This seems like a special enough case to keep it out of the kernel
entirely. If there's something not efficient enough we could work
on optimising the whole mmap & munmap path...

cheers,

Rik

-- 
Bravely reimplemented by the knights who say "NIH".

http://www.surriel.com/ http://distro.conectiva.com/

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