{
struct kmem_cache *s = NULL;
int err = 0;
- char *n;
get_online_cpus();
mutex_lock(&slab_mutex);
goto out_locked;
- n = kstrdup(name, GFP_KERNEL);
- if (!n) {
- err = -ENOMEM;
- goto out_locked;
- }
-
s = __kmem_cache_alias(name, size, align, flags, ctor);
if (s)
goto out_locked;
- s = __kmem_cache_create(n, size, align, flags, ctor);
-
+ s = kmem_cache_zalloc(kmem_cache, GFP_KERNEL);
if (s) {
- /*
- * Check if the slab has actually been created and if it was a
- * real instatiation. Aliases do not belong on the list
- */
- if (s->refcount == 1)
+ s->object_size = s->size = size;
+ s->align = align;
+ s->ctor = ctor;
+ s->name = kstrdup(name, GFP_KERNEL);
+ if (!s->name) {
+ kmem_cache_free(kmem_cache, s);
+ err = -ENOMEM;
+ goto out_locked;
+ }
+
+ err = __kmem_cache_create(s, flags);
+ if (!err)
+
list_add(&s->list, &slab_caches);
- } else {
- kfree(n);
- err = -ENOSYS; /* Until __kmem_cache_create returns code */
- }
+ else {
+ kfree(s->name);
+ kmem_cache_free(kmem_cache, s);
+ }
+ } else
+ err = -ENOMEM;
out_locked:
mutex_unlock(&slab_mutex);
return NULL;
}
+ if (s->refcount == 1) {
+ err = sysfs_slab_add(s);
+ if (err)
+ printk(KERN_WARNING "kmem_cache_create(%s) failed to"
+ " create sysfs entry. Error %d\n",
+ name, err);
+ }
+
return s;
}
EXPORT_SYMBOL(kmem_cache_create);