{
int rc = kmem_cache_close(s);
- if (!rc)
+ if (!rc) {
+ /*
+ * We do the same lock strategy around sysfs_slab_add, see
+ * __kmem_cache_create. Because this is pretty much the last
+ * operation we do and the lock will be released shortly after
+ * that in slab_common.c, we could just move sysfs_slab_remove
+ * to a later point in common code. We should do that when we
+ * have a common sysfs framework for all allocators.
+ */
+ mutex_unlock(&slab_mutex);
sysfs_slab_remove(s);
+ mutex_lock(&slab_mutex);
+ }
return rc;
}