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

[tchiwam]

> > 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 [e-mail] 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...

How about other architectures ? like PowerPc.
Last calculation I did used 11GB of ram (no swap) on a big Number
Muncher... Would it be nice to use the same code for testing on 32
architectures with swap ?

Philippe