This is a view in the mssqlsystemresource database. Returns the status (suspended or running) of each hand for a specific cache clock. The process used to age items out of cache is called the cache clock and each clock can have one or more processes (called a hand) to sweep the cache clean.
CREATE VIEW sys.dm_os_memory_cache_clock_hands AS
FROM OpenRowSet(TABLE SYSMEMORYCACHECLOCKHANDS)