On Thu, Aug 12, 1999 at 12:02:19PM +0100, Tony Finch wrote:
> Matthew Dillon <dillon@apollo.backplane.com> wrote:
> >
> > One solution would be to map clean R+W pages RO and force a write fault
> > to occur, allowing the system to recognize that there are too many dirty
> > pages in vm_fault before it is too late and flush some of them. The
> > downside of this is that, of course, we take unnecessary faults.
>
> Surely they aren't unnecessary faults if they are required for correctness?
They _are_ unnecessary faults, if other correct solutions exist.
The second alternative - to mark system daemons as special
sounds much more attractive.
-Arun
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