7213230af5e1 ("mm: Use struct slab in kmem_obj_info()")
5bb1bb353cfe ("mm: Don't build mm_dump_obj() on CONFIG_PRINTK=n kernels")
98f180837a89 ("mm: Make mem_dump_obj() handle vmalloc() memory")
b70fa3b12fc8 ("mm: Make mem_dump_obj() handle NULL and zero-sized pointers")
8e7f37f2aaa5 ("mm: Add mem_dump_obj() to print source of memory block")
2374c09b1c8a ("sysctl: remove all extern declaration from sysctl.c")