Is your system running NUMA of any flavor?
Does this yield multiple rows?
SELECT [type],
[name],
memory_node_id,
SUM(single_pages_kb) / 1024 AS [SPA Mem, Mb]
FROM sys.dm_os_memory_clerks
WHERE type = 'CACHESTORE_SQLCP'
GROUP BY [type],
[name],
memory_node_id;
There are no special teachers of virtue, because virtue is taught by the whole community.
--Plato