2008-06-02 10:07:40

by Richard Kennedy

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 <[email protected]>
----

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;

2008-06-02 10:29:00

by Richard Kennedy

Subject: Re: [PATCH] kobject: reorder kobject to save space on 64 bit builds

Richard Kennedy wrote:
> reorder kobject to save space on 64 bit builds.
> shrinks from 76 to 64 bytes & moves allocated kobject to a smaller
> slab.

That size change should be 72 -> 64!

Sorry
Richard