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Date:      Mon, 28 Jun 1999 17:53:09 +0930 (CST)
From:      "Daniel J. O'Connor" <darius@dons.net.au>
To:        Ladavac Marino <mladavac@metropolitan.at>
Cc:        freebsd-hackers@FreeBSD.ORG, Zhihui Zhang <zzhang@cs.binghamton.edu>, Matthew Dillon <dillon@apollo.backplane.com>
Subject:   RE: Implementation of mmap() in FreeBSD
Message-ID:  <XFMail.990628175309.darius@dons.net.au>
In-Reply-To: <55586E7391ACD211B9730000C11002761796A9@r-lmh-wi-100.corpnet.at>

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On 28-Jun-99 Ladavac Marino wrote:
>       [ML]  It is possible to handle these cases in VM code, by
>  trapping on any access to the partial page, and allowing only those
>  accesses which are withing the originally requested range.  Performance
>  would suck without end, though.

Well it would only suck for access to that page right, which wouldn't be too
bad unless the program in question thrashes out the partial pages.

---
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum

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