linux-kernel - Re: [RFC][PATCH] ps command race fix take2 [3/4] profile fix

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Date:	22 Aug 2006 13:08:49 +0200
From:	Andi Kleen <ak@...e.de>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Andrew Morton <akpm@...l.org>, ebiederm@...ssion.com, pj@....com,
	saito.tadashi@...t.fujitsu.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH] ps command race fix take2 [3/4] profile fix

KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> writes:

> ===================================================================
> --- linux-2.6.18-rc4.orig/include/linux/sched.h
> +++ linux-2.6.18-rc4/include/linux/sched.h
> @@ -808,6 +808,10 @@ struct task_struct {
>  	struct list_head ptrace_children;
>  	struct list_head ptrace_list;
>  
> +#if defined(CONFIG_OPROFILE) || defined(CONFIG_OPROFILE_MODULE)
> +	struct list_head 	dead_tasks;
> +#endif

Sorry I think this needs a cleaner solution without ifdef.   Why can't it use
the token list? Or some other list head that's unused then.

Otherwise I would think it it better to use a separate list object to
maintain this list in oprofile.

-Andi
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