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From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Robin Holt <holt@sgi.com>, Chris Snook <csnook@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: init's children list is long and slows reaping children.
Date: Fri, 6 Apr 2007 19:31:23 +0200	[thread overview]
Message-ID: <20070406173123.GA1875@elte.hu> (raw)
In-Reply-To: <20070406172720.GA1147@elte.hu>


* Ingo Molnar <mingo@elte.hu> wrote:

> putting the freshly reaped tasks at the 'head' of the list is just a 
> fancy (and incomplete) way of splitting the list up into two lists, and 
> i'd advocate a clean split. Just like have have split the ptrace_list 
                                          ^---s/have/we
> away from the main list too.

and in this sense your suggestion will happen:

> > I'd almost prefer to just not add kernel threads to any parent 
> > process list *at*all*.

because that way kernel threads will never show up in the to-be-reaped 
list, they'll only show up in the main list that represents the tree of 
tasks.

	Ingo

  reply	other threads:[~2007-04-06 17:31 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-06  8:42 init's children list is long and slows reaping children Oleg Nesterov
2007-04-06  9:10 ` Eric W. Biederman
2007-04-06  9:44   ` Oleg Nesterov
2007-04-06 15:45     ` Eric W. Biederman
2007-04-06 15:47       ` Oleg Nesterov
2007-04-06 17:16         ` Linus Torvalds
2007-04-06 17:27           ` Ingo Molnar
2007-04-06 17:31             ` Ingo Molnar [this message]
2007-04-06 17:34           ` Eric W. Biederman
2007-04-06 19:06             ` H. Peter Anvin
2007-04-06 19:15               ` Eric W. Biederman
2007-04-06 19:21                 ` H. Peter Anvin
2007-04-06 21:04                 ` Jeremy Fitzhardinge
2007-04-06 21:07                   ` H. Peter Anvin
2007-04-06 19:36           ` Oleg Nesterov
2007-04-06 19:43             ` Ingo Molnar
2007-04-06 20:01               ` Oleg Nesterov
2007-04-06 20:21                 ` Ingo Molnar
2007-04-06 19:47             ` Oleg Nesterov
2007-04-06 19:59               ` Eric W. Biederman
2007-04-07 20:31             ` Oleg Nesterov
2007-04-08  0:38               ` Eric W. Biederman
2007-04-08 15:46                 ` Oleg Nesterov
  -- strict thread matches above, loose matches on Subject: below --
2007-04-05 19:51 Robin Holt
2007-04-05 20:57 ` Linus Torvalds
2007-04-06  0:51   ` Chris Snook
2007-04-06  1:03     ` Chris Snook
2007-04-06  1:29     ` Linus Torvalds
2007-04-06  2:15       ` Eric W. Biederman
2007-04-06 10:43         ` Robin Holt
2007-04-06 15:38           ` Eric W. Biederman
2007-04-06 16:31             ` Oleg Nesterov
2007-04-06 17:32               ` Ingo Molnar
2007-04-06 17:39                 ` Roland Dreier
2007-04-06 18:04                   ` Eric W. Biederman
2007-04-06 18:30                 ` Eric W. Biederman
2007-04-10 13:48                   ` Ingo Molnar
2007-04-10 13:38                     ` Oleg Nesterov
2007-04-10 15:00                       ` Eric W. Biederman
2007-04-10 14:51                     ` Eric W. Biederman
2007-04-10 15:06                       ` Ingo Molnar
2007-04-10 15:22                         ` Eric W. Biederman
2007-04-10 15:53                           ` Ingo Molnar
2007-04-10 16:17                             ` Eric W. Biederman
2007-04-10 16:44                       ` Oleg Nesterov
2007-04-11 19:55                         ` Bill Davidsen
2007-04-11 20:17                           ` Eric W. Biederman
2007-04-11 21:24                             ` Bill Davidsen
2007-04-11 20:19                           ` Oleg Nesterov
2007-04-06 18:02               ` Eric W. Biederman
2007-04-06 18:21               ` Davide Libenzi
2007-04-06 18:56                 ` Eric W. Biederman
2007-04-06 19:16                   ` Davide Libenzi
2007-04-06 19:19                     ` Ingo Molnar
2007-04-06 21:29                       ` Davide Libenzi
2007-04-06 21:51                         ` Linus Torvalds
2007-04-06 22:31                           ` Davide Libenzi
2007-04-06 22:46                             ` Linus Torvalds
2007-04-06 22:59                               ` Davide Libenzi
2007-04-09  8:28                           ` Ingo Molnar
2007-04-09 18:09                             ` Bill Davidsen
2007-04-09 19:28                               ` Kyle Moffett
2007-04-09 19:51                                 ` Linus Torvalds
2007-04-09 20:03                                   ` Davide Libenzi
2007-04-10 15:12                                     ` Bill Davidsen
2007-04-10 19:17                                       ` Davide Libenzi
2007-04-09 20:00                                 ` Eric W. Biederman
2007-04-06 16:41             ` Robin Holt
2007-04-09 17:37         ` Chris Snook
2007-04-06 18:05       ` Christoph Hellwig
2007-04-06 19:39         ` Eric W. Biederman
2007-04-06 22:38 ` Jeff Garzik
2007-04-06 22:51   ` Linus Torvalds
2007-04-06 23:37     ` Jeff Garzik
2007-04-11  7:28       ` Nick Piggin
2007-04-10  0:23   ` Andrew Morton
2007-04-10  0:48     ` Eric W. Biederman
2007-04-10  1:15       ` Andrew Morton
2007-04-10  6:53       ` Jeff Garzik
2007-04-10  9:42       ` Robin Holt
2007-04-10  1:59     ` Dave Jones
2007-04-10  2:30       ` Andrew Morton
2007-04-10  2:46         ` Linus Torvalds
2007-04-10  7:07           ` Jeff Garzik
2007-04-10 22:20             ` Ingo Oeser
2007-04-10  5:07         ` Alexey Dobriyan
2007-04-10  5:21           ` Dave Jones
2007-04-10  6:09         ` Torsten Kaiser
2007-04-10  7:08           ` Jeff Garzik
2007-04-10  7:05         ` Jeff Garzik
2007-04-10  7:37           ` Andrew Morton
2007-04-10  8:33             ` Jeff Garzik
2007-04-10  8:41               ` Andrew Morton
2007-04-10  8:48                 ` Jeff Garzik
2007-04-10 22:35                   ` Ingo Oeser
2007-04-10 16:35           ` Matt Mackall
2007-04-10  7:44         ` Russell King
2007-04-10  8:16           ` Jeff Garzik
2007-04-10  8:59           ` Ingo Molnar
2007-04-10  9:33             ` Jeff Garzik

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