Re: [PATCH 0/1] kthreads: simplify !kthreadd_task logic, kill kthreadd_task_init_done
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- Subject: Re: [PATCH 0/1] kthreads: simplify !kthreadd_task logic, kill kthreadd_task_init_done
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 18 Sep 2009 15:06:02 -0700 (PDT)
- Cc: Wu Fei <at.wufei@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>, arjan@xxxxxxxxxxxxx, jeremy@xxxxxxxx, mschmidt@xxxxxxxxxx, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, tj@xxxxxxxxxx, tglx@xxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx, Rusty Russell <rusty@xxxxxxxxxxxxxxx>
- In-reply-to: <20090918211218.GA19351@xxxxxxxxxx>
- References: <20090901133709.GA24041@xxxxxxxxxx> <20090901135925.GA9083@xxxxxxx> <20090901145526.GA31317@xxxxxxxxxx> <20090901165235.GA9105@xxxxxxxxxx> <m13a76xnbw.fsf@xxxxxxxxxxxxxxxxx> <20090902091340.GA5173@xxxxxxxxxx> <20090904073749.GB20598@xxxxxxx> <20090918163241.GA8556@desktop> <20090918185425.GA16620@xxxxxxxxxx> <alpine.LFD.2.01.0909181217270.4950@xxxxxxxxxxxxxxxxxxxxx> <20090918211218.GA19351@xxxxxxxxxx>
- User-agent: Alpine 2.01 (LFD 1184 2008-12-16)
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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