linux-kernel - Re: [PATCH] call_usermodehelper_setup() should use GFP

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Date:	Fri, 09 May 2008 00:53:49 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Li Zefan <lizf@...fujitsu.com>,
	Paul Menage <menage@...gle.com>,
	Jeremy Fitzhardinge <jeremy@...source.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [PATCH] call_usermodehelper_setup() should use GFP_KERNEL

KOSAKI Motohiro wrote:
> UMH_WAIT_EXEC and UMH_WAIT_PROC mean wait on finish of exec or process exit.
> I can't imagine situation that exec is waitable *and* allocate isn't waitable.
>   

Yeah, that's why I was asking about UMH_NO_WAIT, where the caller may 
not want to wait, but the context would allow the allocation to block if 
necessary.

    J
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