From: Ingo Molnar <mingo@elte.hu>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
"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 22:21:18 +0200 [thread overview]
Message-ID: <20070406202118.GA28466@elte.hu> (raw)
In-Reply-To: <20070406200116.GA169@tv-sign.ru>
* Oleg Nesterov <oleg@tv-sign.ru> wrote:
> Probably it is I who missed something :)
>
> But why can't we do both changes? I think it is just ugly to use init
> to reap the kernel thread. Ok, wait4() can find zombie quickly if we
> do the ->children split. But /sbin/init could be swapped out, we still
> need to deliver SIGCHLD, etc.
>
> And I personally agree with Linus, it is nice to hide the kernel
> threads from /sbin/init (or whatever) completely.
yeah, they should all be made auto-reap - nobody is really interested in
their wait4()-driven completion. (any completion they do is via other
mechanisms)
Ingo
next prev parent reply other threads:[~2007-04-06 20:21 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
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 [this message]
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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