On Sat, 27 Jul 2002, David Woodhouse wrote:
> alan@lxorguk.ukuu.org.uk said:
> > Memory is relatively cheap, and the complexity of such a paging
> > kernel is huge (you have to pin down disk driver and I/O paths for
> > example). Linux prefers to try to keep simple debuggable approaches to
> > things.
>
> You could do it. Start with kmalloc_pageable ...
Funny things are bound to happen when code gets preempted because
of page faults...
> It's debatable what kind of benefit it would give you over and above
> just fixing specific cases like page tables, though.
In all extreme cases you'll find that 90% of kernel memory is
tied up in just a few data structures.
Making a generic infrastructure just to deal with these specific
cases is almost certainly overkill.
regards,
Rik
-- Bravely reimplemented by the knights who say "NIH".http://www.surriel.com/ http://distro.conectiva.com/
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Jul 30 2002 - 14:00:27 EST