Re: Note describing poor dcache utilization under high memory pressure
Daniel Phillips (phillips@bonn-fries.net)
Tue, 29 Jan 2002 12:28:22 +0100
On January 29, 2002 11:59 am, Rik van Riel wrote:
> On Mon, 28 Jan 2002, Oliver Xymoron wrote:
>
> > Somewhere in here, the pages have got to all be marked read-only or
> > something. If they're not, then either parent or child writing to
> > non-faulting addresses will be writing to shared memory.
>
> Either that, or we don't populate the page tables of the
> parent and the child at all and have the page tables
> filled in at fault time.
Yes, you could go that route but you'd have to do some weird and wonderful
bookkeeping to figure out how to populate those page tables.
--
Daniel
-
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/