[openbeos] Re: kernel memory limit
- From: "Alexander G. M. Smith" <agmsmith@xxxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Mon, 02 Jun 2003 18:48:11 -0400 EDT
Michael Phipps wrote on Mon, 02 Jun 2003 18:03:03 -0400:
There will be a kernel virtual space that is mapped into every process. How big
this is is yet to be determined. Let's say, for the sake of arguement, it is 1
gb. This means that you (the user) can have an amount of mapped memory that
approaches 3 gb. Probably not quite all of that, but close.
Grumble. Smaller RAM disk size then, since it uses Kernel memory for
simplicity (no need to explicitly map it for each different calling process -
saves time and avoids an extra copy operation).
Maybe have a special area category that gets mapped the same way in all
processes? Kernel space would be just one of that kind of area. Of course,
then it would cut down on user space, but people would be able to choose how
much they want to trade off user space for kernel space.
- Alex
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