so it will be consistent with code mm directory and with
Documentation/admin-guide/mm and won't be confused with virtual machines.
Signed-off-by: NMike Rapoport <rppt@linux.ibm.com>
Suggested-by: NMatthew Wilcox <willy@infradead.org>
Tested-by: NIra Weiny <ira.weiny@intel.com>
Acked-by: NJonathan Corbet <corbet@lwn.net>
Acked-by: NWu XiangCheng <bobwxc@email.cn>