linux-kernel - Re: [PATCH v2 -mm 1/2] rename is_single_threaded(task) to current_is_single

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Message-ID: <25959.1247234844@redhat.com>
Date:	Fri, 10 Jul 2009 15:07:24 +0100
From:	David Howells <dhowells@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	dhowells@...hat.com, Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	James Morris <jmorris@...ei.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Roland McGrath <roland@...hat.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 -mm 1/2] rename is_single_threaded(task) to current_is_single_threaded(void)

Oleg Nesterov <oleg@...hat.com> wrote:

> - is_single_threaded(task) is not safe unless task == current,
>   we can't use task->signal or task->mm.
> 
> - it doesn't make sense unless task == current, the task can
>   fork right after the check.
> 
> Rename it to current_is_single_threaded() and kill the argument.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>
> Acked-by: James Morris <jmorris@...ei.org>

Acked-by: David Howells <dhowells@...hat.com>
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