netdev - Re: [PATCH v4 8/8] cgroup: Define CGROUP_SUBSYS

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Message-ID: <50518130.6000909@huawei.com>
Date:	Thu, 13 Sep 2012 14:46:08 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Daniel Wagner <wagi@...om.org>
CC:	<netdev@...r.kernel.org>, <cgroups@...r.kernel.org>,
	Daniel Wagner <daniel.wagner@...-carit.de>,
	Gao feng <gaofeng@...fujitsu.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	John Fastabend <john.r.fastabend@...el.com>,
	Neil Horman <nhorman@...driver.com>, Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH v4 8/8] cgroup: Define CGROUP_SUBSYS_COUNT according the
 configuration

On 2012/9/12 22:12, Daniel Wagner wrote:
> From: Daniel Wagner <daniel.wagner@...-carit.de>
> 
> Since we know exactly how many subsystems exists at compile time we are
> able to define CGROUP_SUBSYS_COUNT correctly. CGROUP_SUBSYS_COUNT will
> be at max 12 (all controllers enabled). Depending on the architecture
> we safe either 32 - 12 pointers (80 bytes) or 64 - 12 pointers (416
> bytes) per cgroup.
> 
> With this change we can also remove the temporary placeholder to avoid
> compilation errors.
> 
> Signed-off-by: Daniel Wagner <daniel.wagner@...-carit.de>
> Cc: Gao feng <gaofeng@...fujitsu.com>
> Cc: Jamal Hadi Salim <jhs@...atatu.com>
> Cc: John Fastabend <john.r.fastabend@...el.com>
> Cc: Li Zefan <lizefan@...wei.com>
> Cc: Neil Horman <nhorman@...driver.com>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: netdev@...r.kernel.org
> Cc: cgroups@...r.kernel.org
> ---
>  include/linux/cgroup.h | 8 +-------
>  1 file changed, 1 insertion(+), 7 deletions(-)

Acked-by: Li Zefan <lizefan@...wei.com>

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