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To: Ingo Molnar <mingo@elte.hu>
Cc: Oleg Nesterov <oleg@tv-sign.ru>,
       "Eric W. Biederman" <ebiederm@xmission.com>, Robin Holt <holt@sgi.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Chris Snook <csnook@redhat.com>, linux-kernel@vger.kernel.org,
       Jack Steiner <steiner@americas.sgi.com>
Subject: Re: init's children list is long and slows reaping children.
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From: Roland Dreier <rdreier@cisco.com>
Date: Fri, 06 Apr 2007 10:39:29 -0700
In-Reply-To: <20070406173249.GA2517@elte.hu> (Ingo Molnar's message of "Fri, 6 Apr 2007 19:32:49 +0200")
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 > no. Two _completely separate_ lists.
 > 
 > i.e. a to-be-reaped task will still be on the main list _too_. The main 
 > list is for all the PID semantics rules. The reap-list is just for 
 > wait4() processing. The two would be completely separate.

I guess this means we add another list head to struct task_struct.
Not that big a deal, but it does make me a little sad to think about
task_struct getting even bigger....

 - R.