Dynamically create the kset instead of declaring it statically.
Cc: Kay Sievers <[email protected]>
Cc: Christoph Lameter <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
mm/slub.c | 19 ++++++++++---------
1 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/mm/slub.c b/mm/slub.c
index b821fdb..9957683 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -21,6 +21,7 @@
#include <linux/ctype.h>
#include <linux/kallsyms.h>
#include <linux/memory.h>
+#include <linux/err.h>
/*
* Lock order:
@@ -3978,7 +3979,7 @@ 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
@@ -4031,7 +4032,7 @@ 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 {
/*
@@ -4042,7 +4043,7 @@ 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);
@@ -4087,9 +4088,8 @@ 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);
@@ -4108,10 +4108,11 @@ 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_register("slab", &slab_uevent_ops,
+ NULL, NULL);
+ if (IS_ERR(slab_kset)) {
printk(KERN_ERR "Cannot register slab subsystem.\n");
- return -ENOSYS;
+ return PTR_ERR(slab_kset);
}
slab_state = SYSFS;
--
1.5.3.4
-
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