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Date: Thu, 23 Dec 2010 10:13:30 +0800
From: Lai Jiangshan <laijs@cn.fujitsu.com>
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To: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
        Steven Rostedt <rostedt@goodmis.org>
CC: Peter Zijlstra <peterz@infradead.org>, John Kacur <jkacur@redhat.com>,
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        "Rafael J. Wysocki" <rjw@sisk.pl>,
        Darren Hart <dvhart@linux.intel.com>,
        Namhyung Kim <namhyung@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] plist: shrink struct plist_head
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On 12/21/2010 05:55 PM, Lai Jiangshan wrote:
> struct plist_head is big, and the field prio_list
> in the struct plist_head is used seldom. So it can be
> removed and we use the first plist_node's prio_list
> when needed.
> 
> The size of struct plist_head is decreased a half after shinked.
> The size of struct rtmutex and struct task_struct are
> also decreased after struct plist_head shrinked.
> 
> Signed-off-by:  Lai Jiangshan <laijs@cn.fujitsu.com>
> ---
>  include/linux/plist.h |   47 ++++++++++++++++++++++---------------------
>  lib/plist.c           |   54 ++++++++++++++++++++++++++++++++------------------
>  2 files changed, 59 insertions(+), 42 deletions(-)
> 

Hi, Ingo, Thomas, Steven,

Any comments about this patch?

Thanks,
Lai