Subject: Re: mmap'ing framebuffer memory in MI drivers...
To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Bill Sommerfeld <sommerfeld@orchard.arlington.ma.us>
List: tech-kern
Date: 03/04/1999 17:35:57
> Say, for example, a process which has mapped the frame buffers is _swapped_
> out. The Alpha pmap will then free all of its page tables. You need to be
> able to reestablish the mapping for individual pages later, when that process
> runs again.
This reminds me... I noticed recently that swapouts are currently
disabled in UVM (see uvm/uvm_pdaemon.c, under #ifndef __SWAP_BROKEN).
- Bill