linux-kernel - Re: [PATCH 0/2] cgroup map files: Add a key/value map file type to cgroups

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Date:	Wed, 20 Feb 2008 14:48:09 +0900 (JST)
From:	yamamoto@...inux.co.jp (YAMAMOTO Takashi)
To:	menage@...gle.com
Cc:	kamezawa.hiroyu@...fujitsu.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	balbir@...ibm.com, xemul@...nvz.org
Subject: Re: [PATCH 0/2] cgroup map files: Add a key/value map file type to
 cgroups

> These patches add a new cgroup control file output type - a map from
> strings to u64 values - and make use of it for the memory controller
> "stat" file.
> 
> It is intended for use when the subsystem wants to return a collection
> of values that are related in some way, for which a separate control
> file for each value would make the reporting unwieldy.
> 
> The advantages of this are:
> 
> - more standardized output from control files that report
> similarly-structured data
> 
> - less boilerplate required in cgroup subsystems
> 
> - simplifies transition to a future efficient cgroups binary API
> 
> Signed-off-by: Paul Menage <menage@...gle.com>

it changes the format from "%s %lld" to "%s: %llu", right?
why?

YAMAMOTO Takashi
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