linux-kernel - Re: [PATCH 0/1] kthreads: simplify !kthreadd_task logic, kill kthreadd_task_init

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Message-ID: <alpine.LFD.2.01.0909181504400.4950@localhost.localdomain>
Date:	Fri, 18 Sep 2009 15:06:02 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	Wu Fei <at.wufei@...il.com>, Ingo Molnar <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>, arjan@...radead.org,
	jeremy@...p.org, mschmidt@...hat.com, mingo@...hat.com,
	hpa@...or.com, linux-kernel@...r.kernel.org, tj@...nel.org,
	tglx@...utronix.de, Andrew Morton <akpm@...ux-foundation.org>,
	linux-tip-commits@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH 0/1] kthreads: simplify !kthreadd_task logic, kill
 kthreadd_task_init_done



On Fri, 18 Sep 2009, Oleg Nesterov wrote:
> 
> Not sure I understand... We don't have CLONE_PID, and kthreadd()
> shouldn't have pid == 0 anyway.

Ahh, we got rid of CLONE_PID a long time ago, and renamed it to 
CLONE_IDLETASK (which was what it was used for).

As to why pid == 0 wouldn't work, I don't know, but I'll take your word 
for it.

		Linus
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