public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Li Zefan <lizf@cn.fujitsu.com>
To: "akpm >> Andrew Morton" <akpm@linux-foundation.org>
Cc: Paul Menage <menage@google.com>,
	Stephane Eranian <eranian@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	containers@lists.linux-foundation.org
Subject: [PATCH 1/7] cgroups: Shrink struct cgroup_subsys
Date: Fri, 22 Oct 2010 16:09:30 +0800	[thread overview]
Message-ID: <4CC146BA.7080009@cn.fujitsu.com> (raw)
In-Reply-To: <4CC146A4.9090505@cn.fujitsu.com>

On x86_32, sizeof(struct cgroup_subsys) shrinks from 276 bytes
to 264.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
---
include/linux/cgroup.h |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ed4ba11..e23ded6 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -481,14 +481,16 @@ struct cgroup_subsys {
 	void (*bind)(struct cgroup_subsys *ss, struct cgroup *root);
 
 	int subsys_id;
-	int active;
-	int disabled;
-	int early_init;
+
+	unsigned int active:1;
+	unsigned int disabled:1;
+	unsigned int early_init:1;
 	/*
 	 * True if this subsys uses ID. ID is not available before cgroup_init()
 	 * (not available in early_init time.)
 	 */
-	bool use_id;
+	unsigned int use_id:1;
+
 #define MAX_CGROUP_TYPE_NAMELEN 32
 	const char *name;
 
-- 
1.7.0.1


  reply	other threads:[~2010-10-22  8:08 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-22  8:09 [PATCH 0/7] cgroups: Allow to bind/unbind subsystems to/from non-trival hierarchy Li Zefan
2010-10-22  8:09 ` Li Zefan [this message]
2010-10-28 23:34   ` [PATCH 1/7] cgroups: Shrink struct cgroup_subsys Paul Menage
2010-11-08  5:23     ` Li Zefan
2010-11-09 21:05       ` Paul Menage
2010-11-10  0:52         ` Li Zefan
2010-11-10  1:53           ` Paul Menage
2010-11-10  2:06             ` Li Zefan
2010-11-10  2:15               ` Paul Menage
2010-10-22  8:09 ` [PATCH 2/7] cgroups: Allow to bind a subsystem to a cgroup hierarchy Li Zefan
2010-10-22 12:47   ` Peter Zijlstra
2010-10-25  0:59     ` Li Zefan
2010-10-22 21:38   ` Matt Helsley
2010-10-25  1:23     ` Li Zefan
2010-10-28 23:57     ` Paul Menage
2010-10-28 23:55   ` Paul Menage
2010-11-08  5:26     ` Li Zefan
2010-10-22  8:10 ` [PATCH 3/7] cgroups: Allow to unbind subsystem from a cgroup hierarachy Li Zefan
2010-10-29  0:02   ` Paul Menage
2010-10-22  8:11 ` [PATCH 4/7] cgroups: Mark some subsystems bindable Li Zefan
2010-10-22  8:11 ` [PATCH 5/7] cgroups: Make freezer subsystem bindable Li Zefan
2010-10-22 20:57   ` Matt Helsley
2010-10-22 21:46     ` Matt Helsley
2010-10-29  0:06       ` Paul Menage
2010-10-22 21:57     ` Matt Helsley
2010-10-25  1:15     ` Li Zefan
2010-10-22  8:12 ` [PATCH 6/7] cgroups: Warn if a bindable subsystem calls css_get() Li Zefan
2010-10-29  0:05   ` Paul Menage
2010-10-22  8:12 ` [PATCH 7/7] cgroups: Update documentation for bindable subsystems Li Zefan
2010-10-25  0:36   ` KAMEZAWA Hiroyuki
2010-10-25  0:52     ` Li Zefan
2010-10-25  0:56       ` Li Zefan
2010-10-29  0:13   ` Paul Menage
2010-10-29  0:15     ` Paul Menage
2010-11-08  5:27     ` Li Zefan
2010-10-22 12:50 ` [PATCH 0/7] cgroups: Allow to bind/unbind subsystems to/from non-trival hierarchy Peter Zijlstra
2010-10-25  1:07   ` Li Zefan
2010-10-28 23:33     ` Paul Menage

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4CC146BA.7080009@cn.fujitsu.com \
    --to=lizf@cn.fujitsu.com \
    --cc=akpm@linux-foundation.org \
    --cc=containers@lists.linux-foundation.org \
    --cc=eranian@google.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=menage@google.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox