Numa policy hit/miss statistics
  
  /sys/devices/system/node/node*/numastat
  
  All units are pages. Hugepages have separate counters.
  
  numa_hit			A process wanted to allocate memory from this node,
  					and succeeded.

  numa_miss			A process wanted to allocate memory from another node,
  					but ended up with memory from this node.
  numa_foreign		A process wanted to allocate on this node,
  				    but ended up with memory from another one.

  local_node			A process ran on this node and got memory from it.
  other_node			A process ran on this node and got memory from another node.
  interleave_hit 		Interleaving wanted to allocate from this node
  					and succeeded.
  
  For easier reading you can use the numastat utility from the numactl package
  (ftp://ftp.suse.com/pub/people/ak/numa/numactl*). Note that it only works
  well right now on machines with a small number of CPUs.