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Date: Fri, 18 Sep 2009 15:06:02 -0700 (PDT)
From: Linus Torvalds <torvalds@linux-foundation.org>
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To: Oleg Nesterov <oleg@redhat.com>
cc: Wu Fei <at.wufei@gmail.com>, Ingo Molnar <mingo@elte.hu>,
       "Eric W. Biederman" <ebiederm@xmission.com>, arjan@infradead.org,
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       Andrew Morton <akpm@linux-foundation.org>,
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       Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH 0/1] kthreads: simplify !kthreadd_task logic, kill
 kthreadd_task_init_done
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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