From: Larry McVoy <lm@mcvoy.com>
To: Noel Chiappa <jnc@mercury.lcs.mit.edu>
Cc: tuhs@tuhs.org
Subject: Re: [TUHS] Memory management in Dennis Ritchie's C Compiler
Date: Mon, 17 Aug 2020 12:30:50 -0700 [thread overview]
Message-ID: <20200817193050.GC11413@mcvoy.com> (raw)
In-Reply-To: <20200817192715.22D9518C09E@mercury.lcs.mit.edu>
On Mon, Aug 17, 2020 at 03:27:15PM -0400, Noel Chiappa wrote:
> > From: Jim Geist
>
> > When did mmap(2) come about?
>
> Pretty sure it's a Berserkleyism. I think it came in with the VM stuff that
> DARPA mandated for VAX Unix (for the research project they funded).
Bill Joy imagined it, the prototype is in one the 4.x BSD releases.
Sun (Joe Moran) actually implemented it first in any Unix variant.
It's possible the concept existed in some other OS but I'm not aware
of it.
next prev parent reply other threads:[~2020-08-17 19:31 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-17 19:27 Noel Chiappa
2020-08-17 19:30 ` Larry McVoy [this message]
2020-08-17 19:44 ` Dan Halbert
2020-08-17 19:50 ` Paul Winalski
2020-08-17 22:05 ` Arthur Krewat
2020-08-18 0:52 ` Rob Gingell
2021-01-29 23:52 ` [TUHS] mmap() (was: Memory management in Dennis Ritchie's C Compiler) Greg A. Woods
-- strict thread matches above, loose matches on Subject: below --
2020-08-27 8:37 [TUHS] Memory management in Dennis Ritchie's C Compiler Paul Ruizendaal
2020-08-26 15:59 Noel Chiappa
2020-08-26 16:09 ` Warner Losh
2020-08-26 19:13 ` Clem Cole
2020-08-26 16:14 ` Jim Geist
2020-08-26 17:31 ` John Cowan
2020-08-26 13:24 Doug McIlroy
2020-08-26 15:41 ` John Cowan
2020-08-25 9:36 Steve Simon
2020-08-17 22:32 Norman Wilson
2020-08-17 22:55 ` Bakul Shah
2020-08-17 23:12 ` Chet Ramey
2020-08-18 6:33 ` arnold
2020-08-17 19:51 Noel Chiappa
2020-08-17 2:02 Noel Chiappa
2020-08-17 18:02 ` Paul Winalski
2020-08-17 18:13 ` Jim Geist
2020-08-17 18:48 ` Paul Winalski
2020-08-17 19:08 ` Jim Geist
2020-08-17 19:28 ` Paul Winalski
2020-08-17 19:35 ` Jim Geist
2020-08-17 19:41 ` Richard Salz
2020-08-17 23:40 ` Steffen Nurpmeso
2020-08-15 21:50 Dibyendu Majumdar
2020-08-16 15:20 ` arnold
2020-08-16 15:27 ` Jim Geist
2020-08-17 16:13 ` Dan Cross
2020-08-17 20:16 ` Dibyendu Majumdar
2020-08-17 20:34 ` Paul Winalski
2020-08-17 20:43 ` Dibyendu Majumdar
2020-08-17 21:05 ` Warner Losh
2020-08-17 22:47 ` Dave Horsfall
2020-08-17 23:06 ` Nemo Nusquam
2020-08-17 21:29 ` Dibyendu Majumdar
2020-08-24 15:58 ` Dan Cross
2020-08-24 17:08 ` John Cowan
2020-08-24 17:15 ` Clem Cole
2020-08-24 17:24 ` Clem Cole
2020-08-24 17:20 ` Dan Cross
2020-08-25 23:06 ` Arthur Krewat
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