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Date: Fri, 09 May 2008 09:04:27 +0900
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [PATCH] call_usermodehelper_setup() should use GFP_KERNEL
Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton <akpm@linux-foundation.org>,
       Li Zefan <lizf@cn.fujitsu.com>, Paul Menage <menage@google.com>,
       Jeremy Fitzhardinge <jeremy@xensource.com>,
       LKML <linux-kernel@vger.kernel.org>,
       Rusty Russell <rusty@rustcorp.com.au>
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> 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.

sorry, I misunderstood ;)

Yeah, you are right.
but it is no regression.
I agree with my plan have improve chance, but it is better than current.