Re: Note describing poor dcache utilization under high memory pressure

From: Daniel Phillips (phillips@bonn-fries.net)
Date: Tue Jan 29 2002 - 06:28:22 EST


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
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