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From: Cort Dougan <cort@fsmlabs.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: William Lee Irwin III <wli@holomorphy.com>,
	Andries Brouwer <aebr@win.tue.nl>,
	Linus Torvalds <torvalds@transmeta.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK
Date: Wed, 18 Sep 2002 09:35:24 -0600	[thread overview]
Message-ID: <20020918093523.I14918@host110.fsmlabs.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209181711350.22395-100000@localhost.localdomain>; from mingo@elte.hu on Wed, Sep 18, 2002 at 05:33:54PM +0200

} of course, and it should also be massively-threaded, LSB-compliant,
} enterprise-ready, secure, cluster-aware, power-saving and self-healing. I
} admit that there's still lots of work to be done, but there's just so many
} hours in a day.

get_pid() is simple, I don't see why it's taking you so long to add those
features.  I'll sketch out a plan for an improvement in getpid_MARK02(c)
numbers once you have the prototype done.

} actually, on-the-fly O(log(N)) multiprocessor garbage collection is
} already integrated into its high-end modular OO design.
} 
} > Perhaps a get_pid() that solves the Turning Halting Problem should be on
} > the todo list for 2.6.

Given my misspelling of Turing, I think it's clear that get_pid() needs a
spellchecker.  This would be an opportunity to begin work on get_pid .NET.

} the first small mystery to solve are certain perturbations in Alan
} Turing's name. But, yes, it's definitely a goal of the PID allocator to be
} an answer to all, but also for it to avoid infinite loops for every
} possible input value, while yielding slightly more subtle output than the
} numeric value of 42. Patch in a few minutes.

Please be sure to implement a BK replacement, open-source it, switch the
kernel over to it and supply the patch in that format.  It would be
appreciated.

  parent reply	other threads:[~2002-09-18 15:32 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-17 23:06 [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK Ingo Molnar
2002-09-18  0:22 ` William Lee Irwin III
2002-09-18  1:27   ` David S. Miller
2002-09-18  2:22     ` William Lee Irwin III
2002-09-18 10:11   ` Ingo Molnar
2002-09-18 14:28     ` William Lee Irwin III
2002-09-18 12:32 ` Andries Brouwer
2002-09-18 12:56   ` Ingo Molnar
2002-09-18 16:17     ` Linus Torvalds
2002-09-18 16:46       ` Ingo Molnar
2002-09-18 16:57       ` Ingo Molnar
2002-09-18 18:28     ` Andries Brouwer
2002-09-18 18:27       ` William Lee Irwin III
2002-09-18 19:00       ` Ingo Molnar
2002-09-18 20:11         ` Andries Brouwer
2002-09-18 20:29           ` William Lee Irwin III
2002-09-18 21:15             ` Andries Brouwer
2002-09-19  3:05               ` Ingo Molnar
2002-09-19 13:11                 ` Andries Brouwer
2002-09-21 12:56                   ` quadratic behaviour Andries Brouwer
2002-09-21 17:06                     ` Linus Torvalds
2002-09-21 17:35                       ` William Lee Irwin III
2002-09-21 17:49                       ` Ingo Molnar
2002-09-21 17:46                         ` William Lee Irwin III
2002-09-18 14:49   ` [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK William Lee Irwin III
2002-09-18 15:01     ` Cort Dougan
2002-09-18 15:33       ` Ingo Molnar
2002-09-18 15:31         ` yodaiken
2002-09-18 15:35         ` Cort Dougan [this message]
2002-09-18 15:37       ` Rik van Riel
2002-09-18 15:50       ` Alan Cox
2002-09-18 18:31     ` Andries Brouwer
2002-09-18 18:32       ` William Lee Irwin III
2002-09-18 16:15   ` Linus Torvalds
2002-09-18 16:32     ` Rik van Riel
2002-09-18 16:48       ` Linus Torvalds
2002-09-18 17:31         ` Ingo Molnar
2002-09-18 21:46         ` Rogier Wolff
2002-09-18 16:41     ` Ingo Molnar
2002-09-18 16:45       ` William Lee Irwin III
2002-09-18 16:59         ` Linus Torvalds
2002-09-18 17:36         ` Ingo Molnar
2002-09-18 17:36           ` William Lee Irwin III
2002-09-18 17:46             ` Linus Torvalds
2002-09-18 17:47               ` William Lee Irwin III
2002-09-18 17:59             ` Ingo Molnar
2002-09-18 17:50               ` William Lee Irwin III
2002-09-18 18:07                 ` Ingo Molnar
2002-09-19 19:27           ` Martin Mares
2002-09-17 15:31             ` Pavel Machek
2002-09-19 20:07             ` Richard B. Johnson
2002-09-18 16:46     ` Rik van Riel
2002-09-18 16:53       ` Linus Torvalds
2002-09-18 17:00         ` Rik van Riel
2002-09-18 17:16           ` Linus Torvalds
2002-09-18 17:28             ` Ingo Molnar
2002-09-18 17:38           ` Ingo Molnar
2002-09-18 17:24         ` Ingo Molnar
2002-09-18 17:30           ` Linus Torvalds
2002-09-18 17:35             ` Cort Dougan
2002-09-18 17:43               ` Rik van Riel
2002-09-18 17:48               ` Martin J. Bligh
2002-09-18 17:57                 ` Cort Dougan
2002-09-18 18:08                   ` Martin J. Bligh
2002-09-18 18:28                     ` Ingo Molnar
2002-09-18 18:33                       ` Linus Torvalds
2002-09-18 18:51                         ` Ingo Molnar
2002-09-18 18:56                           ` interruptible_sleep_on_timeout() and signals Imran Badr
2002-09-19  7:16                             ` David Woodhouse
2002-09-18 19:53                       ` [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK Martin J. Bligh
2002-09-22  0:34                   ` Andrea Arcangeli
2002-09-22 10:02                     ` Ingo Molnar
2002-09-22 15:27                       ` Andrea Arcangeli
2002-09-18 18:02               ` Ingo Molnar
2002-09-18 17:58                 ` Cort Dougan
2002-09-18 18:14                   ` Ingo Molnar
2002-09-18 17:54             ` Alan Cox
2002-09-18 17:54             ` Ingo Molnar
2002-09-18 18:00               ` yodaiken
2002-09-18 18:21                 ` Ingo Molnar
2002-09-18 18:33                   ` yodaiken
2002-09-18 16:55     ` Alan Cox

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