linux-kernel - [PATCH] kobject: reorder kobject to save space on 64 bit builds

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Message-Id: <1212401245.2966.8.camel@castor.localdomain>
Date:	Mon, 02 Jun 2008 11:07:25 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	gregkh <gregkh@...e.de>
Cc:	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] kobject: reorder kobject to save space on 64 bit builds

reorder kobject to save space on 64 bit builds.
shrinks from 76 to 64 bytes & moves allocated kobject to a smaller
slab. 
    
Signed-off-by: Richard Kennedy <richard@....demon.co.uk>
----

Running successfully on 2.6.26-rc2 on my desktop AMD64.




diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 39e709f..07124fc 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -59,12 +59,12 @@ enum kobject_action {
 
 struct kobject {
 	const char		*name;
-	struct kref		kref;
 	struct list_head	entry;
 	struct kobject		*parent;
 	struct kset		*kset;
 	struct kobj_type	*ktype;
 	struct sysfs_dirent	*sd;
+	struct kref		kref;
 	unsigned int state_initialized:1;
 	unsigned int state_in_sysfs:1;
 	unsigned int state_add_uevent_sent:1;


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