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From: Charles Forsyth <forsyth@terzarima.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Current status of amd64 port?
Date: Fri, 16 Nov 2007 23:40:41 +0000	[thread overview]
Message-ID: <4bd0144e432da2706f14d20d1535239c@terzarima.net> (raw)
In-Reply-To: <f84d6fcfdee0652d9dc3fe0c7d6add95@quanstro.net>

> that's a good question.  i suppose you could argue not since
> a plan 9 kernel could get by without demand paging, it's just
> one of the kernel's dirty little secrets.

it isn't really mmap'd as such: it does a read from a file into memory
so (as is usually the case on systems with mmap) it's quicker just to do
the read yourself, rather than suffer the page fault too.


  reply	other threads:[~2007-11-16 23:40 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-15 22:51 Anthony Sorace
2007-11-15 22:56 ` Uriel
2007-11-16  6:14   ` ron minnich
2007-11-15 23:14 ` Tharaneedharan Vilwanathan
2007-11-15 23:39   ` erik quanstrom
2007-11-16  0:10     ` Tharaneedharan Vilwanathan
2007-11-16  0:18     ` Anthony Sorace
2007-11-16  7:57     ` Robert William Fuller
2007-11-16 10:05       ` erik quanstrom
2007-11-16 10:20         ` Charles Forsyth
2007-11-16 22:38         ` ron minnich
2007-11-16 22:46           ` Tharaneedharan Vilwanathan
2007-11-16 23:20             ` erik quanstrom
2007-11-16 23:19           ` erik quanstrom
2007-11-16 23:40             ` Charles Forsyth [this message]
2007-11-16 23:38               ` ron minnich
2007-11-16 23:56                 ` Charles Forsyth
2007-11-16 23:54                   ` erik quanstrom
2007-11-17  0:14                     ` ron minnich
2007-11-17  0:23                       ` Charles Forsyth
2007-11-17  0:30                         ` ron minnich
2007-11-17  0:33                           ` erik quanstrom
2007-11-17  1:08                           ` Charles Forsyth
2007-11-17  6:38                             ` Geoffrey Avila
2007-11-16 14:41     ` David Leimbach
2007-11-16 14:46       ` erik quanstrom
2007-11-16 15:33         ` Wilhelm B. Kloke
2007-11-16 15:33         ` David Leimbach
2007-11-16 15:35           ` David Leimbach
2007-11-16 15:53           ` Charles Forsyth
2007-11-16 16:21             ` David Leimbach
2007-11-16  0:11 Joshua Wood
2007-11-16 14:43 ` David Leimbach
     [not found] <20071116170014.595B2108A1@mail.cse.psu.edu>
2007-11-16 23:10 ` Joshua Wood

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