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From: Daniel Phillips <phillips@bonn-fries.net>
To: Rik van Riel <riel@conectiva.com.br>, Oliver Xymoron <oxymoron@waste.org>
Subject: Re: Note describing poor dcache utilization under high memory pressure
Date: Tue, 29 Jan 2002 12:28:22 +0100
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Cc: Linus Torvalds <torvalds@transmeta.com>,
        Josh MacDonald <jmacd@CS.Berkeley.EDU>,
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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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