linux-kernel - Re: [PATCH] devcgroup: skip superfluous checks when found the DEV

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Message-ID: <49DE90BF.1010800@cn.fujitsu.com>
Date:	Fri, 10 Apr 2009 08:20:15 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	serue@...ibm.com, linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org
Subject: Re: [PATCH] devcgroup: skip superfluous checks when found the DEV_ALL
 elem

Andrew Morton wrote:
> On Tue, 07 Apr 2009 13:47:16 +0800
> Li Zefan <lizf@...fujitsu.com> wrote:
> 
>> While walking through the whitelist, if the DEV_ALL item is found,
>> no more check is needed.
>>
> 
> It's unobvious whether this is a behavioural change, a bugfix or just a
> speedup?
> 

It's a speedup. I thought it's obvious by saying "skip superfluous checks"..


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