linux-kernel - Re: [PATCH] pidspace: is

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Message-ID: <17625.24267.334013.678760@cargo.ozlabs.ibm.com>
Date:	Wed, 9 Aug 2006 14:04:27 +1000
From:	Paul Mackerras <paulus@...ba.org>
To:	Sukadev Bhattiprolu <sukadev@...ibm.com>
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org, ebiederm@...ssion.com,
	haveblue@...ibm.com, serue@...ibm.com, clg@...ibm.com,
	lxc-devel@...ts.sourceforge.net
Subject: Re: [PATCH] pidspace: is_init()

Sukadev Bhattiprolu writes:

> 	There are a lot of places in the kernel where we test for init
> 	because we give it special properties.  Most  significantly init
> 	must not die.  This results in code all over the kernel test
> 	->pid == 1.
> 
> 	Introduce is_init to capture this case.  
> 
> 	With multiple pid spaces for all of the cases affected we are
> 	looking for only the first process on the system, not some other
> 	process that has pid == 1. 
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
> Signed-off-by: Sukadev Bhattiprolu <sukadev@...ibm.com>

Acked-by: Paul Mackerras <paulus@...ba.org>
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