There is no need to do anything if sysfs_slab_alias() return nonzero
value after getting a mergeable cache.
Signed-off-by: NXiongwei Song <xiongwei.song@windriver.com>
Reviewed-by: NMuchun Song <songmuchun@bytedance.com>
Link: https://lore.kernel.org/all/e5ebc952-af17-321f-5343-bc914d47c931@suse.cz/Signed-off-by: NVlastimil Babka <vbabka@suse.cz>