Re: Bugs and wishes in memory management area

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 23 Nov 1996 02:05:01 +0000 (GMT)

> > At work, we use Linux/X/GNU as development system (about 15 linux
> > stations). 2 megs is probably just enough to load the kernel and
> > kernel is not pageable.
>
> If the machine has enough memory, the kernel should be loaded at
> the 16 MB mark.

Thats something that was kicked around ages ago. However it fundamentally
changes an assumption used by a lot of drivers that their static structures
are in DMA space.

> If not, the memory can be moved as the application locks it.
> Whenever mlock is called, the memory gets moved above the 16 MB
> mark before it is actually locked.

What if I want to mlock() for ISA DMA

Alan