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Date:	Wed, 8 Feb 2012 17:46:15 -0800 (PST)
From:	David Rientjes <>
To:	Anton Vorontsov <>
cc:	Oleg Nesterov <>,
	Greg KH <>,
	KOSAKI Motohiro <>,
	"Eric W. Biederman" <>,
	"Paul E. McKenney" <>,
	Paul Mundt <>,
	Russell King <>,
	Mike Frysinger <>,
	Benjamin Herrenschmidt <>,
	Richard Weinberger <>,
Subject: Re: [PATCH 2/8] sysrq: Properly check for kernel threads

On Tue, 7 Feb 2012, Anton Vorontsov wrote:

> There's a real possibility of killing kernel threads that might
> have issued use_mm(), so kthread's mm might become non-NULL.
> This patch fixes the issue by checking for PF_KTHREAD (just as
> get_task_mm()).
> Suggested-by: Oleg Nesterov <>
> Signed-off-by: Anton Vorontsov <>

Acked-by: David Rientjes <>

Definitely needed.
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