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Subject[PATCH 067/196] kset: convert slub to use kset_create
Date
Dynamically create the kset instead of declaring it statically.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
mm/slub.c | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/mm/slub.c b/mm/slub.c
index 40bdf41..886131c 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3962,7 +3962,7 @@ static struct kset_uevent_ops slab_uevent_ops = {
.filter = uevent_filter,
};

-static decl_subsys(slab, &slab_uevent_ops);
+static struct kset *slab_kset;

#define ID_STR_LENGTH 64

@@ -4015,7 +4015,7 @@ static int sysfs_slab_add(struct kmem_cache *s)
* This is typically the case for debug situations. In that
* case we can catch duplicate names easily.
*/
- sysfs_remove_link(&slab_subsys.kobj, s->name);
+ sysfs_remove_link(&slab_kset->kobj, s->name);
name = s->name;
} else {
/*
@@ -4026,7 +4026,7 @@ static int sysfs_slab_add(struct kmem_cache *s)
}

kobject_set_name(&s->kobj, name);
- s->kobj.kset = &slab_subsys;
+ s->kobj.kset = slab_kset;
s->kobj.ktype = &slab_ktype;
kobject_init(&s->kobj);
err = kobject_add(&s->kobj);
@@ -4071,9 +4071,8 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
/*
* If we have a leftover link then remove it.
*/
- sysfs_remove_link(&slab_subsys.kobj, name);
- return sysfs_create_link(&slab_subsys.kobj,
- &s->kobj, name);
+ sysfs_remove_link(&slab_kset->kobj, name);
+ return sysfs_create_link(&slab_kset->kobj, &s->kobj, name);
}

al = kmalloc(sizeof(struct saved_alias), GFP_KERNEL);
@@ -4092,8 +4091,8 @@ static int __init slab_sysfs_init(void)
struct kmem_cache *s;
int err;

- err = subsystem_register(&slab_subsys);
- if (err) {
+ slab_kset = kset_create_and_add("slab", &slab_uevent_ops, NULL);
+ if (!slab_kset) {
printk(KERN_ERR "Cannot register slab subsystem.\n");
return -ENOSYS;
}
--
1.5.3.8


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