Re: ipc security

[Ludovic Courtès]

Hi,

One day, one hour, 12 minutes, 21 seconds ago, 
Marcus Brinkmann wrote:
> Still, we need in every task a contingent of pages that must not be
> unmapped by physmem, in particular the memory the pager uses to run
> on!  This contingent is naturally restricted in some ways (may not be
> useful for DMA, may be fragmented, and is limited to a small amount).
> But I don't see a problem in going for this solution if you know the
> maximum size of the data in advance.

Does this mean that the number of tasks that could possibly run in the
system is bound by the amount of physical memory available over the
amount of physical "unmappable" memory granted to each task?

Hope this makes sense.

Thanks,
Ludovic.